Ask
Login
TAGGED IN

Engineering Mathematics

Follow this tag to get notifications whenever a new post is added

ALL TAGS
2
votes
1
answer
8.1k
views
1
answer
Solve the equations by Cramers rule: x + y +z = 3, x - y + z = 1,x + y - 2z = 0
engineering mathematics updated 3.0 years ago by pedsangini276 • 4.8k
3
votes
1
answer
1.8k
views
1
answer
Test whether the following function is one to one, onto or both.
engineering mathematics updated 3.0 years ago by teamques10 ★ 69k
4
votes
1
answer
23k
views
1
answer
Reduce the matrix of the quadratic form $6x_{1}^2 + 3x_{2}^2 + 14x_{3}^2 + 4x_{1}x_{2} + 18x_{1}x{3} + 4x_{2}x_{3}$ to canonical form by congruent transformation and find rank, signature, value class.
engineering mathematics updated 3.0 years ago by saishvilankar793 • 30
0
votes
1
answer
1.2k
views
1
answer
A die is tossed thrice. A success is 'getting 1 or 6' on a toss. Find the mean and the variance of the number of successes.
engineering mathematics updated 3.0 years ago by prajapatijaimin • 3.3k
5
votes
1
answer
11k
views
1
answer
Solve $(xy^2-e^{1/x3})dx-x^2y\space dy=0$
engineering mathematics updated 3.2 years ago by pedsangini276 • 4.8k
0
votes
1
answer
1.9k
views
1
answer
Evaluate the following integration $\int_0^{2\pi}{\frac{d\theta}{13+12cos\theta}}$
engineering mathematics updated 3.1 years ago by yashbeer ★ 11k
2
votes
1
answer
19k
views
1
answer
Solve the following equations by Gauss-Seidel Method. $28x+4y-z=32 2x+17y+4z=35 x+3y+10z=24$
engineering mathematics updated 3.1 years ago by yashbeer ★ 11k
1
vote
1
answer
60k
views
1
answer
Calculate the karl Pearson's coefficient of correlation for the following data.
engineering mathematics updated 3.2 years ago by pedsangini276 • 4.8k
7
votes
1
answer
41k
views
1
answer
Differential equation Solve $(2xy^4e^y + 2xy^3+ y)dx + (x^2y^4e^y- x^2y^2- 3x) dy = 0$
engineering mathematics updated 3.2 years ago by pedsangini276 • 4.8k
2
votes
1
answer
13k
views
1
answer
Find the eigen values and eigen vectors of matrix A = $\begin{bmatrix} 2 & 1 & 1 \\ 2 & 3 & 2 \\ 3 & 3 & 4 \end{bmatrix}$
engineering mathematics updated 3.2 years ago by sagarkolekar ★ 11k
19
votes
1
answer
15k
views
1
answer
Using De-Moivre's theorem, prove that $ \dfrac{sin6\theta}{sin2\theta} \;=\; 16cos^4\theta-16cos^2\theta+3$
engineering mathematics updated 3.2 years ago by pedsangini276 • 4.8k
3
votes
1
answer
16k
views
1
answer
Tests made on breaking strength of 10 pieces of a metal wire gave the following results. 578, 572, 570, 568, 572, 570, 572, 596 and 584 in kgs. Test if the breaking strength of the metal wire can be a
engineering mathematics updated 3.2 years ago by pedsangini276 • 4.8k
1
vote
1
answer
1.2k
views
1
answer
Evaluate the $\int\limits_0^2x^2(2-x)^3dx$
engineering mathematics updated 3.2 years ago by pedsangini276 • 4.8k
2
votes
1
answer
20k
views
1
answer
Solve by Crout's method the system of equations 2x+3y+z=-1 , 5x+y+z=9 , 3x+2y+4z=11
engineering mathematics updated 3.2 years ago by pedsangini276 • 4.8k
2
votes
1
answer
13k
views
1
answer
Prove that $\overline{F} = (y^2 cosx + z^3)\overline{i} + (2y sinx - 4)\overline{j} + (3x z^2 + 2)\overline{k}$ is a conservative field. Also find the following.
engineering mathematics updated 3.2 years ago by pedsangini276 • 4.8k
1
vote
1
answer
7.9k
views
1
answer
A random sample of 900 items is found to have a mean of 65.3cms, Can it be regarded as a sample from a large population whose mean is 66.2 cms and s.d. is 5 cms at 5% level of significance.
engineering mathematics updated 3.2 years ago by pedsangini276 • 4.8k
6
votes
1
answer
45k
views
1
answer
Divide 24 into 3 parts such that the product of the first, square of second and cube of the third is maximum.
engineering mathematics updated 3.2 years ago by pedsangini276 • 4.8k
5
votes
1
answer
7.7k
views
1
answer
Solve $y^4 dx=(x^{-3/4}-y^3x)dy$
engineering mathematics updated 3.2 years ago by pedsangini276 • 4.8k
3
votes
1
answer
7.5k
views
1
answer
Based on the following data, can you say that there is no relation between smoking and literacy.
engineering mathematics updated 3.2 years ago by pedsangini276 • 4.8k
1
vote
1
answer
9.7k
views
1
answer
A continuous random variable x has the pdf defined by f(x) = A +Bx , 0 $\boldsymbol{\mathrm{\le}}$ x $\boldsymbol{\mathrm{\le}}$ 1 if mean of the distribution is 1/3. find A and B.
engineering mathematics updated 3.2 years ago by pedsangini276 • 4.8k
1
vote
1
answer
2.6k
views
1
answer
\[ if\ ux+vy=a,\frac{u}{x}+\frac{v}{y}=1,\ show\ that \ \frac{u}{x} \left(\frac{\partial x}{\partial u}\right)_v+\frac{v}{y} \left(\frac{\partial y}{\partial v}\right)_u=0 \]
engineering mathematics updated 3.9 years ago by teamques10 ★ 69k
2
votes
1
answer
5.7k
views
1
answer
The monthly salary x in a big organization is normally distributed with mean Rs. 3000 & Standard deviation Rs.250.
engineering mathematics updated 3.2 years ago by teamques10 ★ 69k
1
vote
1
answer
4.5k
views
1
answer
Show that the matrix A = $\begin{bmatrix} -9&4&4 \\ -8&3&4 \\ -16&8&7 \end{bmatrix}$ is diagonalizable. Find the diagonal matrix & the Transforming matrix.
engineering mathematics updated 3.2 years ago by teamques10 ★ 69k
2
votes
1
answer
19k
views
1
answer
Evaluate $\int_{4}^{5.2}log_ex\,dx$ by using (i)Trapezoidal rule (ii) Simpson's 1/3 rule (iii) Simpson's 3/8 rule .
engineering mathematics updated 3.2 years ago by teamques10 ★ 69k
1
vote
1
answer
1.2k
views
1
answer
Verify parseval's theorem for sequence $x(n)=\left(\frac{1}{2}\right)^{n} u(n)$. Assume N=4.
engineering mathematics updated 5.6 years ago by teamques10 ★ 69k
<prev • 1,668 results • page 2 of 67 • next >