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Recent questions in Engineering Mathematics
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2551
Kenneth Rosen Edition 7 Exercise 2.3 Question 62 (Page No. 155)
Draw the graph of the function $f(n) = 1-n^2$ from $Z$ to $Z$
Draw the graph of the function $f(n) = 1-n^2$ from $Z$ to $Z$
Pooja Khatri
171
views
Pooja Khatri
asked
Apr 11, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
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0
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0
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2552
Kenneth Rosen Edition 7 Exercise 2.3 Question 61 (Page No. 155)
Data are transmitted over a particular Ethernet network in blocks of $1500$ octets (blocks of $8$ bits). How many blocks are required to transmit the following amounts of data over this Ethernet network? (Note that a byte is a synonym for ... $1.544$ $\text{megabytes}$ of data $45.3$ $\text{megabytes of}$ data
Data are transmitted over a particular Ethernet network in blocks of $1500$ octets (blocks of $8$ bits). How many blocks are required to transmit the following amounts of...
Pooja Khatri
382
views
Pooja Khatri
asked
Apr 11, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
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0
votes
0
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2553
Kenneth Rosen Edition 7 Exercise 2.3 Question 60 (Page No. 155)
How many ATM cells (described in Example 28) can be transmitted in $10$ seconds over a link operating at the following rates? $128$ kilobits per second ($1$ kilobit= $1000$ bits) $300$ kilobits per second $1$ megabit per second ($1$ megabit=$1,000,000$ bits)
How many ATM cells (described in Example 28) can be transmitted in $10$ seconds over a link operating at the following rates?$128$ kilobits per second ($1$ kilobit= $1000...
Pooja Khatri
257
views
Pooja Khatri
asked
Apr 11, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
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0
votes
0
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2554
Kenneth Rosen Edition 7 Exercise 2.3 Question 59 (Page No. 155)
How many bytes are required to encode $n$ bits of data where $n$ equals $7$ $17$ $1001$ $28800$
How many bytes are required to encode $n$ bits of data where $n$ equals$7$$17$$1001$$28800$
Pooja Khatri
189
views
Pooja Khatri
asked
Apr 11, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
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1
votes
0
answers
2555
Kenneth Rosen Edition 7 Exercise 2.3 Question 58 (Page No. 154)
How many bytes are required to encode $n$ bits of data where $n$ equals $4$ $10$ $500$ $3000$
How many bytes are required to encode $n$ bits of data where $n$ equals$4$$10$$500$$3000$
Pooja Khatri
213
views
Pooja Khatri
asked
Apr 11, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
+
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0
votes
0
answers
2556
Kenneth Rosen Edition 7 Exercise 2.3 Question 57 (Page No. 154)
Let $a$ and $b$ be real numbers with $a<b$. Use the floor and / or ceiling functions to express the number of integers $n$ that satisfy the inequality $a<n<b.$
Let $a$ and $b$ be real numbers with $a<b$. Use the floor and / or ceiling functions to express the number of integers $n$ that satisfy the inequality $a<n<b.$
Pooja Khatri
269
views
Pooja Khatri
asked
Apr 11, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
+
–
0
votes
0
answers
2557
Kenneth Rosen Edition 7 Exercise 2.3 Question 56 (Page No. 154)
Let $a$ and $b$ be real numbers with $a<b$. Use the floor and / or ceiling functions to express the number of integers $n$ that satisfy the inequality $a≤n≤b$.
Let $a$ and $b$ be real numbers with $a<b$. Use the floor and / or ceiling functions to express the number of integers $n$ that satisfy the inequality $a≤n≤b$.
Pooja Khatri
299
views
Pooja Khatri
asked
Apr 11, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
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–
0
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0
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2558
Kenneth Rosen Edition 7 Exercise 2.3 Question 55 (Page No. 154)
The function INT is found on some calculators, where INT$(x)$ = $\left \lfloor x \right \rfloor$ when $x$ nonnegative real number and INT$(x)$ = $\left \lceil x \right \rceil$ when x is a negative real number. Show that this INT function satisfies the identity INT$(-x)$=$-$ INT$(x)$
The function INT is found on some calculators, where INT$(x)$ = $\left \lfloor x \right \rfloor$ when $x$ nonnegative real number and INT$(x)$ = $\left \lceil x \right \r...
Pooja Khatri
257
views
Pooja Khatri
asked
Apr 11, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
+
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0
votes
0
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2559
Kenneth Rosen Edition 7 Exercise 2.3 Question 54 (Page No. 154)
Prove that if $x$ is a reall number , then $\left \lfloor -x \right \rfloor = - \left \lceil x \right \rceil$ and$\left \lceil -x \right \rceil = -\left \lfloor x \right \rfloor$
Prove that if $x$ is a reall number , then $\left \lfloor -x \right \rfloor = - \left \lceil x \right \rceil$ and$\left \lceil -x \right \rceil = -\left \lfloor x \right ...
Pooja Khatri
167
views
Pooja Khatri
asked
Apr 11, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
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0
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0
answers
2560
Kenneth Rosen Edition 7 Exercise 2.3 Question 53 (Page No. 154)
Prove that if $n$ is an integer, then $\left \lfloor n/2 \right \rfloor = n/2$ if $n$ is even and $(n-1)/2$ if $n$ is odd.
Prove that if $n$ is an integer, then $\left \lfloor n/2 \right \rfloor = n/2$ if $n$ is even and $(n-1)/2$ if $n$ is odd.
Pooja Khatri
180
views
Pooja Khatri
asked
Apr 9, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
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0
votes
0
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2561
Kenneth Rosen Edition 7 Exercise 2.3 Question 52 (Page No. 154)
Show that if $x$ is a real number and $n$ is an integer, then $x\leq n$ if and only if $\left \lceil x \right \rceil \leq n$ $n\leq x$ if and only if $ n\leq \left \lfloor x \right \rfloor $
Show that if $x$ is a real number and $n$ is an integer, then$x\leq n$ if and only if $\left \lceil x \right \rceil \leq n$$n\leq x$ if and only if $ n\leq \left \lfloor ...
Pooja Khatri
189
views
Pooja Khatri
asked
Apr 9, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
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–
0
votes
0
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2562
Kenneth Rosen Edition 7 Exercise 2.3 Question 51 (Page No. 154)
Show that if $x$ is a real number and $n$ is an integer, then $x<n$ if and only if $\left \lfloor x \right \rfloor < n$ $n<x$ if and only if $ n<=\left \lfloor x \right \rfloor $
Show that if $x$ is a real number and $n$ is an integer, then$x<n$ if and only if $\left \lfloor x \right \rfloor < n$$n<x$ if and only if $ n<=\left \lfloor x \right \rf...
Pooja Khatri
227
views
Pooja Khatri
asked
Apr 9, 2019
Mathematical Logic
kenneth-rosen
discrete-mathematics
set-theory&algebra
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0
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1
answer
2563
Kenneth Rosen Edition 7 Exercise 2.3 Question 50 (Page No. 154)
Show that if $x$ is a real number, and $m$ is an integer, then $\left \lceil x+m \right \rceil = \left \lceil x \right \rceil +m.$
Show that if $x$ is a real number, and $m$ is an integer, then $\left \lceil x+m \right \rceil = \left \lceil x \right \rceil +m.$
Pooja Khatri
281
views
Pooja Khatri
asked
Apr 9, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
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–
0
votes
0
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2564
Kenneth Rosen Edition 7 Exercise 2.3 Question 49 (Page No. 154)
Show that if $x$ is a real number, then $x-1 < \left \lfloor x \right \rfloor <= x<= \left \lceil x \right \rceil < x+1.$
Show that if $x$ is a real number, then $x-1 < \left \lfloor x \right \rfloor <= x<= \left \lceil x \right \rceil < x+1.$
Pooja Khatri
155
views
Pooja Khatri
asked
Apr 9, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
+
–
0
votes
0
answers
2565
Kenneth Rosen Edition 7 Exercise 2.3 Question 48 (Page No. 154)
Show that if $x$ is a real number, then $\left \lceil x \right \rceil - \left \lfloor x \right \rfloor =1$ if $x$ is not an integer and $\left \lceil x \right \rceil - \left \lfloor x \right \rfloor =0$ if $x$ is an integer.
Show that if $x$ is a real number, then $\left \lceil x \right \rceil - \left \lfloor x \right \rfloor =1$ if $x$ is not an integer and $\left \lceil x \right \rceil - \l...
Pooja Khatri
145
views
Pooja Khatri
asked
Apr 9, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
+
–
0
votes
0
answers
2566
Kenneth Rosen Edition 7 Exercise 2.3 Question 47 Page No. 154)
Show that $\left \lceil x-1/2 \right \rceil$ is the closest integer to the number $x$,except when $x$ is midway between two integers, when it is the smaller of these two integers
Show that $\left \lceil x-1/2 \right \rceil$ is the closest integer to the number $x$,except when $x$ is midway between two integers, when it is the smaller of these two ...
Pooja Khatri
182
views
Pooja Khatri
asked
Apr 9, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
+
–
0
votes
0
answers
2567
Kenneth Rosen Edition 7 Exercise 2.3 Question 46 (Page No. 154)
Show that $\left \lfloor x+1/2 \right \rfloor$ is the closest integer to the number $x$,except when $x$ is midway between two integers, when it is the larger of these two integers
Show that $\left \lfloor x+1/2 \right \rfloor$ is the closest integer to the number $x$,except when $x$ is midway between two integers, when it is the larger of these two...
Pooja Khatri
261
views
Pooja Khatri
asked
Apr 9, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
+
–
0
votes
0
answers
2568
Kenneth Rosen Edition 7 Exercise 2.3 Question 45 (Page No. 154)
Let $f$ be a function from $A$ to $B$. Let $S$ be a subset of $B$. Show that $f^{-1}\sim(S) = \sim f^{-1}(S).$
Let $f$ be a function from $A$ to $B$. Let $S$ be a subset of $B$. Show that $f^{-1}\sim(S) = \sim f^{-1}(S).$
Pooja Khatri
160
views
Pooja Khatri
asked
Apr 9, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
+
–
2
votes
0
answers
2569
Kenneth Rosen Edition 7 Exercise 2.3 Question 44 (Page No. 154)
Let $f$ be a function from $A$ to $B$. Let $S$ and $T$ be subsets of $B$. Show that $f^{-1}(S \cup T) = f^{-1}(S) \cup f^{-1}(T)$ $f^{-1}(S \cap T) = f^{-1}(S) \cap f^{-1}(T)$
Let $f$ be a function from $A$ to $B$. Let $S$ and $T$ be subsets of $B$. Show that$f^{-1}(S \cup T) = f^{-1}(S) \cup f^{-1}(T)$$f^{-1}(S \cap T) = f^{-1}(S) \cap f^{-1}(...
Pooja Khatri
197
views
Pooja Khatri
asked
Apr 9, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
+
–
0
votes
0
answers
2570
Kenneth Rosen Edition 7 Exercise 2.3 Question 43 (Page No. 154)
Let $g(x) = \left \lfloor x \right \rfloor$. Find $g^{-1}(\left \{ 0 \right \})$ $g^{-1}(\left \{ -1,0,1 \right \})$ $g^{-1}(\left \{ x|0<x<1 \right \})$
Let $g(x) = \left \lfloor x \right \rfloor$. Find$g^{-1}(\left \{ 0 \right \})$$g^{-1}(\left \{ -1,0,1 \right \})$$g^{-1}(\left \{ x|0<x<1 \right \})$
Pooja Khatri
152
views
Pooja Khatri
asked
Apr 9, 2019
Set Theory & Algebra
kenneth-rosen
discrete-mathematics
set-theory&algebra
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