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Recent questions in Engineering Mathematics
0
votes
1
answer
8501
Probability
A pair of dice is rolled again and again till a total of 5 or 7 is obtained. The chance that a total of 5 comes before a total of 7 is
A pair of dice is rolled again and again till a total of 5 or 7 is obtained. The chance that a total of 5 comes before a total of 7 is
Umang Raman
436
views
Umang Raman
asked
Sep 26, 2015
Probability
probability
+
–
2
votes
1
answer
8502
How to prove Rank(AB) <= min(Rank(A),Rank(B)) ?
Given A and B are matrices such that they can be multiplied. How to prove Rank(AB) ≤ min(Rank(A),Rank(B)) ?
Given A and B are matrices such that they can be multiplied.How to prove Rank(AB) ≤ min(Rank(A),Rank(B)) ?
amarVashishth
7.4k
views
amarVashishth
asked
Sep 26, 2015
Linear Algebra
matrix
linear-algebra
+
–
0
votes
1
answer
8503
If R = ((1, 1), (3, 1), (2, 3), (4, 2)), then which of the following represents R2, where R2 is R composite R?
If R = ((1, 1), (3, 1), (2, 3), (4, 2)), then which of the following represents R2, where R2 is Rcomposite R?(a) ((1,1), (3, 1), (2, 3), (4, 2))(b) ((1, 1), (9, 1), (4, 9...
Tendua
10.2k
views
Tendua
asked
Sep 24, 2015
Set Theory & Algebra
set-theory&algebra
+
–
10
votes
5
answers
8504
ISRO2011-35
How many edges are there in a forest with $v$ vertices and $k$ components? $(v+1) - k$ $(v+1)/2 - k$ $v - k$ $v + k$
How many edges are there in a forest with $v$ vertices and $k$ components?$(v+1) - k$$(v+1)/2 - k$$v - k$$v + k$
ajit
4.2k
views
ajit
asked
Sep 24, 2015
Graph Theory
isro2011
graph-theory
graph-connectivity
+
–
1
votes
1
answer
8505
cyclic group
which of the following is wrong? A)group of order is 27 is cyclic B)group of order is 14 is cyclic C)group of order is 21 is cyclic group of order is 30 is cyclic
which of the following is wrong?A)group of order is 27 is cyclicB)group of order is 14 is cyclicC)group of order is 21 is cyclic group of order is 30 is cyclic
monty
1.2k
views
monty
asked
Sep 24, 2015
1
votes
3
answers
8506
Please find the value of this limit
I have applied L'Hospital here. And result came up like this : $1 - \frac{1}{2} (y^{2} + y)^{-\frac{1}{2}} (2y+1)$ Then after applying limit value , result came as $-\infty$. Am I wrong ? Please correct me.
I have applied L'Hospital here. And result came up like this :$$1 - \frac{1}{2} (y^{2} + y)^{-\frac{1}{2}} (2y+1)$$Then after applying limit value , result came as $-\inf...
worst_engineer
746
views
worst_engineer
asked
Sep 19, 2015
Calculus
limits
+
–
0
votes
2
answers
8507
Which of the following statement is incorrect ?
worst_engineer
1.5k
views
worst_engineer
asked
Sep 19, 2015
Linear Algebra
linear-algebra
+
–
1
votes
2
answers
8508
functions
let f and g be two functions f :A->B and g: B->C g0f :A->C is surjection g is injection then f is 1)injection 2) surjection 3)bijection 4)none
let f and g be two functions f :A->B and g: B->C g0f :A->C is surjection g is injection then f is1)injection2) surjection3)bijection4)none
Pooja Palod
1.1k
views
Pooja Palod
asked
Sep 18, 2015
0
votes
3
answers
8509
Graph theory
pyuri
637
views
pyuri
asked
Sep 17, 2015
0
votes
2
answers
8510
total number of 5 digit pallindrome????
Amiti7
555
views
Amiti7
asked
Sep 17, 2015
Combinatory
mathematical-logic
combinatory
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–
4
votes
3
answers
8511
number of equivalence relation possible with N element of set?
monali
3.7k
views
monali
asked
Sep 16, 2015
Set Theory & Algebra
set-theory
relations
+
–
0
votes
1
answer
8512
How to calculate LU decomposition of a 2*2 matrix ?
I need to calculate determinant of a 2*2 matrix such as $\begin{bmatrix} 2 &2 \\ 4& 9 \end{bmatrix}$ I proceeded by making it a upper triangular matrix and then using the negetives of the multipliers to get the lower triangular matrix. ... But the product of L and U is not coming out to be equal to the orig matrix. What am I doing wrong ?
I need to calculate determinant of a 2*2 matrix such as$\begin{bmatrix} 2 &2 \\ 4& 9 \end{bmatrix}$I proceeded by making it a upper triangular matrix and then using the n...
learncp
4.3k
views
learncp
asked
Sep 11, 2015
Linear Algebra
linear-algebra
matrix
+
–
0
votes
3
answers
8513
graph coloring
7 var occurs in a loop of computer programm.The variable nd step during which they must be stored are t: step 1 through 6;u:step2;:steps 2 through 4 ;w:step 1 ,3 and 5;x:step 1 and 6;y:step3 through 6; nd z:step 4 nd 5. How many different index registers are needed to store these variables during execution?
7 var occurs in a loop of computer programm.The variable nd step during which they must be stored aret: step 1 through 6;u:step2;:steps 2 through 4 ;w:step 1 ,3 and 5;x:s...
Saurav
667
views
Saurav
asked
Sep 10, 2015
1
votes
3
answers
8514
probability
Let x be the number obtained from rolling a fair dice and you toss an unbiassed coin X times. What is the probablity that X=5 given that you have obtained 3 heads from X tosses?
Let x be the number obtained from rolling a fair dice and you toss an unbiassed coin X times. What is the probablity that X=5 given that you have obtained 3 heads from X ...
Pooja Palod
857
views
Pooja Palod
asked
Sep 9, 2015
Probability
conditional-probability
+
–
1
votes
2
answers
8515
Random variables and distribution
If X is a continuous random variable whose probability density function is given by f(x) ={k(5x-2x^2) , 0
If X is a continuous random variable whose probability density function is given byf(x) ={k(5x-2x^2) , 0
admin
3.3k
views
admin
asked
Sep 9, 2015
Probability
random-variable
+
–
3
votes
4
answers
8516
Uniform probability distribution
X is uniformly distributed random variable that takes values between 0 and 1.The value of E(X^3) will be
X is uniformly distributed random variable that takes values between 0 and 1.The value of E(X^3) will be
admin
6.0k
views
admin
asked
Sep 9, 2015
Probability
random-variable
expectation
+
–
0
votes
1
answer
8517
Write first order expression
How can you represent the famous poem line, in first order expression "Everybody Loves My Baby, but My Baby Don't Love Nobody but Me"
How can you represent the famous poem line, in first order expression"Everybody Loves My Baby, but My Baby Don't Love Nobody but Me"
Sankaranarayanan P.N
1.5k
views
Sankaranarayanan P.N
asked
Sep 9, 2015
0
votes
2
answers
8518
What is the probability of seat available
An airplane knows that 5 percent of the people making reservations on a certain flight will not show up. Consequently, their policy is to sell 52 tickets for a flight that can hold only 50 passengers. What is the probability that there will be a seat available for every passenger who shows up?
An airplane knows that 5 percent of the people making reservations on a certain flight will not show up. Consequently, their policy is to sell 52 tickets for a flight tha...
Sankaranarayanan P.N
7.3k
views
Sankaranarayanan P.N
asked
Sep 9, 2015
5
votes
3
answers
8519
Probability
A box contains 10 screws, 3 of which are defective.Two screws are drawn at random with replacement.The probability that none of the two screws is defective will be
A box contains 10 screws, 3 of which are defective.Two screws are drawn at random with replacement.The probability that none of the two screws is defective will be
admin
6.9k
views
admin
asked
Sep 8, 2015
Probability
probability
+
–
0
votes
2
answers
8520
Probability
E1 and E2 are events in a probability space satisfying the following constraints p(E1)= p(E2);p(E1U E2) = 1; E1 & E2 are independent then p(E1)=
E1 and E2 are events in a probability space satisfying the following constraints p(E1)= p(E2);p(E1U E2) = 1; E1 & E2 are independent then p(E1)=
admin
774
views
admin
asked
Sep 8, 2015
Probability
probability
+
–
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