Ask
Login
TAGGED IN

Engineering Mathematics

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

ALL TAGS
13
votes
1
answer
65k
views
1
answer
Verify Green's theorem for $\oint(3x^2 - 8y^2)dx + (4y - 6xy)dy$ where c is boundary of the region defined by x = 0, y = 0 & x+ y = 1
engineering mathematics updated 2.1 years ago by vikaskandunoori173 • 30
8
votes
1
answer
44k
views
1
answer
Find the maximum and minimum values of : $x^3+3xy^2-3x^2-3y^2+4$
engineering mathematics updated 3.0 years ago by sagarkolekar ★ 11k
8
votes
1
answer
934
views
1
answer
Find the power sets of the following: (1) {a} (2) {a,{a, b}} (3) {a, b, c}
engineering mathematics updated 2.9 years ago by prajapatijaimin • 3.3k
4
votes
1
answer
379
views
1
answer
De Moivre's formula using prove that,
engineering mathematics updated 2.9 years ago by prajapatijaimin • 3.3k
5
votes
2
answers
1.8k
views
2
answers
Find all the values of $\left(\frac{1}{2}+i \frac{\sqrt{3}}{2}\right)^{3 / 4}$ , and also prove that the product of the four values is 1 .
engineering mathematics updated 2.9 years ago by prajapatijaimin • 3.3k
6
votes
1
answer
453
views
1
answer
Find the modulus and amplitude of $\frac{1+3 \sqrt{3} \mathrm{i}}{\sqrt{3}+2 \mathrm{i}}$.
engineering mathematics updated 2.9 years ago by prajapatijaimin • 3.3k
5
votes
1
answer
32k
views
1
answer
Find the characteristic equation of the matrix A given below and hence ,find the matrix represented by $A^8-5A^7+7A^6-3A^5+A^4-5A^3+8A^2-2A+I$
engineering mathematics updated 6.9 years ago by teamques10 ★ 69k
5
votes
1
answer
82k
views
1
answer
A car hire firm has two cars which it hires out day by day. The number of demands for a car on each day is distributed as poisson variate with mean 1.5. Also do the following.
engineering mathematics updated 3.1 years ago by pedsangini276 • 4.8k
4
votes
1
answer
8.5k
views
1
answer
Solve $(D^4+8D^2+16)y=sin^2x$ .
engineering mathematics updated 4.9 years ago by teamques10 ★ 69k
2
votes
1
answer
411
views
1
answer
If, $a=\cos \alpha+i \sin \alpha, b=\cos \beta+i \sin \beta$ and $c=\cos \gamma+i \sin \gamma$ find the value of, $\frac{a b}{c}-\frac{c}{a b}$.
engineering mathematics updated 2.9 years ago by prajapatijaimin • 3.3k
4
votes
1
answer
8.0k
views
1
answer
Using simplex method solve the following L.P.P
engineering mathematics updated 2.9 years ago by prajapatijaimin • 3.3k
6
votes
1
answer
3.5k
views
1
answer
If 5sinhx-coshx=5 find tanhx
engineering mathematics updated 3.0 years ago by prajapatijaimin • 3.3k
4
votes
1
answer
7.5k
views
1
answer
If $ cosec \bigg( \dfrac{\pi}{4} + ix \bigg) \;=\; u + iv $. Prove $ (u^2+v^2)^2 \;=\; 2(u^2-v^2) $
engineering mathematics updated 5.0 years ago by teamques10 ★ 69k
5
votes
1
answer
16k
views
1
answer
Determine the values of $\lambda $ so that the equations $x+y+z=1 \; ; \; x+2y+4z=\lambda \; ; \; x+4y+10z=\lambda^2$ have solution and solve them completely in each case.
engineering mathematics updated 4.9 years ago by teamques10 ★ 69k
4
votes
2
answers
10k
views
2
answers
Solve $(D^2-1)y=x^2sin3x$ .
engineering mathematics updated 3.1 years ago by teamques10 ★ 69k
6
votes
1
answer
18k
views
1
answer
Euler Theorem : If $ x+y=2e^{\theta} cos\phi \;, \; \; x - y \;=\; 2ie^{\theta} sin\phi \; \;$and u is a function of $x$ and $y$
engineering mathematics updated 4.9 years ago by teamques10 ★ 69k
1
vote
1
answer
4.2k
views
1
answer
If $ tan \Big[ log(x+iy) \Big] \;=\; a+ib , $ prove that $ tan[log(x^2+y^2)] \;=\; \dfrac{2a}{1-a^2-b^2} \; \; \; where \; a^2+b^2 \ne 1 $
engineering mathematics updated 5.0 years ago by teamques10 ★ 69k
4
votes
1
answer
8.9k
views
1
answer
Reduce the matrix to normal form and hence find its rank.
engineering mathematics updated 3.5 years ago by yashbeer ★ 11k
1
vote
1
answer
467
views
1
answer
Find the fourier expansion for f(x)=x in (0,2?).
engineering mathematics updated 3.8 years ago by teamques10 ★ 69k
5
votes
1
answer
33k
views
1
answer
Solve $(D^2+a^2)y=sec(ax)$ by the method of variation of parameters.
engineering mathematics updated 7.0 years ago by teamques10 ★ 69k
1
vote
1
answer
1.9k
views
1
answer
Fit a curve $y=ax+bx_2$ for the data:
engineering mathematics updated 4.9 years ago by teamques10 ★ 69k
1
vote
1
answer
7.5k
views
1
answer
Solve $(3x+2)^2\frac{d^2y}{dx^2}+3(3x+2)\frac{dy}{dx}-36y=3x^2+4x+1$ .
engineering mathematics updated 4.9 years ago by teamques10 ★ 69k
5
votes
1
answer
27k
views
1
answer
Evaluate $\iint_R y\,dxdy$ where 'R' is the region bounded by $y^2=4x$ & $x^2=4y$
engineering mathematics updated 4.9 years ago by teamques10 ★ 69k
3
votes
1
answer
1.1k
views
1
answer
Maximum and minimum values
engineering mathematics updated 3.4 years ago by prakhar1144 ★ 5.0k
4
votes
1
answer
28k
views
1
answer
Jacobians : If $ x=e^v sec \; u \; , \; y=e^v tan \; u, Find \; J\bigg ( \frac{u,v}{x,y} \bigg) $
engineering mathematics updated 4.9 years ago by teamques10 ★ 69k
<prev • 1,668 results • page 1 of 67 • next >