Register
Filter

Recent questions in Engineering Mathematics

#3381
464
views
0 answers
0 votes
Gaussian elimination
I wanted to find no. of operations required to perform Gauss elimination and turns out to be O(n3).The procedure is like lets say you have 100 X 100 matrix ... n^3). The part I didn't understand why first level requires 100^2 operations.
User Avatar
#3382
528
views
1 answers
0 votes
universe of discourse[ propositional logic]
what does it mean can any one explain with exampleuniverse of discourse???
User Avatar
#3383
155
views
0 answers
0 votes
integration
https://gateoverflow.in/610/gate1993-02-6what is the integration of xtan-1 (1/x) in this question.
User Avatar
#3384
2.9k
views
1 answers
2 votes
Got from friend
Find the limit of the given expression$\lim_{x\to\frac{\pi}{2}}\left ( \sec x-\frac{1}{1-\sin x} \right )$
User Avatar
#3385
224
views
0 answers
0 votes
#books q
the number of algebric terms in expansion of a determinant of order 5 is
User Avatar
#3386
312
views
1 answers
0 votes
Limit
Please try to answer without using any standard result as i cant remember them.
User Avatar
#3387
837
views
1 answers
0 votes
why is the conclusion incorrect for the below premises ?
I am getting the conclusion to be true by Proof by Contradiction , what's wrong in the approach ?
User Avatar
#3388
1.9k
views
2 answers
2 votes
Probability
In four tests taken by 450 students, marks are found to be normally distributed with mean and variance as given belowTest IdMeanVariance174121275100378196482169 A has secured ... .(A)Fourth Test(B)Third Test(C)Second Test(D)First Test
User Avatar
#3389
1.0k
views
1 answers
0 votes
Calculus - Limits
Answer is 1 but where it is going wrong the way I solved in following image.
User Avatar
#3390
358
views
1 answers
0 votes
#books
Some cat are intelligentexpress into first order logic if domain are animals
User Avatar
#3391
238
views
1 answers
0 votes
Self doubt
What is the number of linearly independent solution in case of unique solution (n=r) in linear non-homogenous system of equations ??Where , n=number of variables ... of coefficient matrix.
User Avatar
#3392
1.4k
views
1 answers
4 votes
Zeal Test Series 2019: Set Theory & Algebra - Functions
Let f : A → B be function, where A = {1,2,3,4,5,6} and B = {1,2,3,4,5}.If f(1) = 4 then how many surjective (onto) functions are possible ?
User Avatar
#3393
685
views
2 answers
2 votes
Zeal Test Series 2019: Set Theory & Algebra - Relations
User Avatar
#3394
415
views
1 answers
2 votes
Zeal Test Series 2019: Mathematical Logic - First Order Logic
Its answer is D) can anyone explain what is difference between a) and d)
User Avatar
#3395
914
views
0 answers
3 votes
Zeal Test Series 2019: Graph Theory - Graph Connectivity
i didn't read the concept related to strongly connected components please it describe it for this question
User Avatar
#3396
391
views
1 answers
1 votes
Zeal Test Series 2019: Probability - Probability
User Avatar
#3397
1.9k
views
1 answers
1 votes
How to find total no of integer solutions to the below equation ?
In X+y+z<=12 , X,y,z>=1 How to find total no of integral solutions ?If you are introducing any dummy variable for solving , please do explain the logic behind this .
User Avatar
#3398
157
views
0 answers
0 votes
Virtual gate
User Avatar
#3399
323
views
0 answers
0 votes
SELF DOUBT
TIFR2011-A-6 IN THIS QUESTION WE GET ANSWER 6 BY THIS METHOD . SIMPLE AND STRAIGHTOKK WHEN I APPLY THIS METHOD HERE Expectated no of coin toss THEN I GET X= 1/2 (X +1 ) ... ) + 1/2 (4 )Which makes X=6 but answer is 4 .where am i wrong
User Avatar
#3400
236
views
0 answers
0 votes
SELF DOUBT
10% of all phone calls you receive is spam. Your phone calls spam filter is 90% reliable: that is, 90% of the phone calls it marks as spam are indeed ... calls marked spam by your filter, what is the probability that it really is spam?
User Avatar
Page: