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Recent questions tagged engineering-mathematics

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511
Probability Density Function
Given a probability density function $\frac{1}{x}$. Value exists in the interval $\left ( 2,3 \right )$ Can this pdf has existence outside this range?
Given a probability density function $\frac{1}{x}$. Value exists in the interval $\left ( 2,3 \right )$Can this pdf has existence outside this range?
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512
Clique with one vertex
Is there a clique possible in Graph with one vertex? I mean, is a singleton vertex in itself is a complete sub-graph and can be called a clique.
Is there a clique possible in Graph with one vertex? I mean, is a singleton vertex in itself is a complete sub-graph and can be called a clique.
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1 votes
1 answer
513
Generating function
1. Find a closed form for the generating function for the sequence $1,1,0,1,1,1,1,1,1,1,...........$ 2. Find a closed form for the generating function for the sequence $a_n= 2n+3$ for all $n=0,1,2,....$
1. Find a closed form for the generating function for the sequence $1,1,0,1,1,1,1,1,1,1,...........$2. Find a closed form for the generating function for the sequence $a_...
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514
Vector
https://www.youtube.com/watch?v=3SkCNpFOshk In this lecture , can somebody define in 2nd question why $X_{1}+X_{2}\notin V_{1}\cup V_{2}$? I cannot understand the proof
https://www.youtube.com/watch?v=3SkCNpFOshkIn this lecture , can somebody define in 2nd question why $X_{1}+X_{2}\notin V_{1}\cup V_{2}$?I cannot understand the proof
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516
Set Theory
How to distinguish between countably finite , countably infinite , uncountably infinite set? for reference see this ques:https://gateoverflow.in/36654/why-set-of-all-functions-f-n-0-1-is-uncountably-infinite
How to distinguish between countably finite , countably infinite , uncountably infinite set?for reference see this ques:https://gateoverflow.in/36654/why-set-of-all-funct...
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517
Matrix
To find the product of the non-zero eigenvalues of the matrix is ____ ... $\lambda =-1,2,0$ Where is my mistake, plz tell me
To find the product of the non-zero eigenvalues of the matrix is ____$\begin{pmatrix} 1 & 0 & 0 & 0 & 1 \\ 0 & 1 & 1 & 1 & 0 \\ 0 & 1 & 1 & 1 & 0 \\ 0 & 1 & 1 & 1 & 0 \\ ...
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1 votes
2 answers
519
How Ans. A is correct
At x = 0, the function f(x)=|x| has (A) a minimum (B) a maximum (C) a point of inflection (D) neither a maximum nor minimum
At x = 0, the function f(x)=|x| has(A) a minimum(B) a maximum(C) a point of inflection(D) neither a maximum nor minimum
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2 answers
520
combinatorics
There were 4 blue french horns, 5 yellow Umbrellas and 6 Suits in a shop. Ted, Barney, Lily, Marshal and Robin came to the shop to buy the items. How many different results could have been recorded if all of the items were sold?
There were 4 blue french horns, 5 yellow Umbrellas and 6 Suits in a shop. Ted, Barney, Lily, Marshal and Robin came to the shop to buy the items. How many different resul...
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1 votes
2 answers
521
Bayes theorem
This is extended form of Bayes theorem Can somebody explain (or can prove), how from 1st line 2 line came?
This is extended form of Bayes theoremCan somebody explain (or can prove), how from 1st line 2 line came?
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1 votes
1 answer
522
Group Theory
Prove that :- Every infinite cyclic group is isomorphic to the infinite cyclic group of integers under addition.
Prove that :-Every infinite cyclic group is isomorphic to the infinite cyclic group of integers under addition.
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527
ISI2017-MMA-25
For $a,b \in \mathbb{R}$ and $b > a$ , the maximum possible value of the integral $\int_{a}^{b}(7x-x^{2}-10)dx$ is $\frac{7}{2}\\$ $\frac{9}{2}\\$ $\frac{11}{2}\\$ none of these
For $a,b \in \mathbb{R}$ and $b a$ , the maximum possible value of the integral $\int_{a}^{b}(7x-x^{2}-10)dx$ is$\frac{7}{2}\\$$\frac{9}{2}\\$$\frac{11}{2}\\$none of the...
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530
Calculus Integration
$I=\int_{3}^{7}((x-3)(7-x))^{\frac{1}{4}}dx$
$I=\int_{3}^{7}((x-3)(7-x))^{\frac{1}{4}}dx$
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531
ISI 2017 MMA 20
The number of the ordered pair (X, Y), where X and Y are N*N real matrices such that XY-YX=​​​​​​​​​​​​​​ I is A) 0 B) 1 C) N D) Infinite
The number of the ordered pair (X, Y), where X and Y are N*N real matrices such that XY-YX=​​​​​​​​​​​​​​ I isA) 0B) 1C) ND) Infinite
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5 votes
3 answers
533
ISI2017-MMA-1
The area lying in the first quadrant and bounded by the circle $x^{2}+y^{2}=4$ and the lines $x= 0$ and $x=1$ is given by $\frac{\pi}{3}+\frac{\sqrt{3}}{2}$ $\frac{\pi}{6}+\frac{\sqrt{3}}{4}$ $\frac{\pi}{3}-\frac{\sqrt{3}}{2}$ $\frac{\pi}{6}+\frac{\sqrt{3}}{2}$
The area lying in the first quadrant and bounded by the circle $x^{2}+y^{2}=4$ and the lines $x= 0$ and $x=1$ is given by$\frac{\pi}{3}+\frac{\sqrt{3}}{2}$$\frac{\pi}{6}+...
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2 answers
534
Maths: Probability Distribution
Suppose X is a uniform random variable between 0.50 and 1.00. What is the probability that a randomly selected value of X is between 0.55 and 0.60 or between 0.75 and 0.85? A. 0.00 B. 0.15 C. 0.60 D. 0.30
Suppose X is a uniform random variable between 0.50 and 1.00. What is the probability that a randomly selected value of X is between 0.55 and 0.60 or between 0.75 and 0.8...
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535
Self doubt
There are 10 different balls in such way that 6 balls are white and 4 balls are black. How many different arrangements are possible such way that black ball placed before the white ball ?
There are 10 different balls in such way that 6 balls are white and 4 balls are black. How many different arrangements are possible such way that black ball placed before...
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536
Combinatorics
How many ways we can move from a point (a,b) to a point (i,j) in a coordinate system. Here i>a and j>b and at each step you can move to the right or in the upward direction.
How many ways we can move from a point (a,b) to a point (i,j) in a coordinate system. Here i>a and j>b and at each step you can move to the right or in the upward directi...
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1 votes
0 answers
537
Permutation of 4 Gs out of 5 Gs
Given symbols:- $GGGGGAAATTTECCS$ No of ways such that exactly 4 Gs out of 5 Gs are together. I am getting$ \frac{11! × 11}{3!×3!×2!} $. Some one verify it?
Given symbols:- $GGGGGAAATTTECCS$No of ways such that exactly 4 Gs out of 5 Gs are together. I am getting$ \frac{11! × 11}{3!×3!×2!} $.Some one verify it?
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538
Maths calculus
a)π/√2 B) √π/2 C) π/2 D)√(π/2
a)π/√2 B) √π/2C) π/2 D)√(π/2
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1 answer
539
Maths calculus
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540
Maths calculus
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