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Reduce the equation to standard form and determine the nature of the conicoid: x2+y2+z2yzzxxy3x6y9z+21=0.
edited
Jan 12, 2018
pyqs
2017
3d
analyticalgeometry
1
answer
Integrate the function $f(x,y) = xy(x^2+y^2)$ over the domain $R : { 3 <= x^2y^2<3, 1 <=xy <=4 }$
edited
Jan 5, 2018
calculus
pyqs
2017
integration
1
answer
A fixed wire is in the shape of the cardioid $r = a(1+cos\theta)$, the initial line being the downward vertical.
answered
Dec 23, 2017
pyqs
2017
cse
statics
1
answer
Find the initial basic feasible solution of the following transportation problem using Vogel's approximation method.
answered
Dec 23, 2017
pyqs
2017
cse
linearprogramming
transportationproblem
0
answers
Consider the following system of equations in $x, y, z$ :
asked
Dec 22, 2017
pyqs
2017
cse
linearalgebra
0
answers
Prove that distinct nonzero eigenvectors of a matrix are linearly independent.
asked
Dec 22, 2017
pyqs
2017
cse
linearalgebra
matrices
1
answer
Find a basis and dimension of the image of $A$ and those of the kernel $A$.
asked
Dec 22, 2017
pyqs
2017
cse
linearalgebra
matrices
1
answer
Find the possible dimensions of subspace $U \cap W$
answered
Dec 22, 2017
pyqs
2017
cse
linearalgebra
vectorspace
1
answer
Assign the programs to the programmers in such a way that total computer time is least.
answered
Dec 21, 2017
pyqs
2017
linearprogramming
ifos
1
answer
Solve by simplex method the following LPP: Minimize $Z = x_1  3x_2 + 2x_3$
answered
Dec 21, 2017
2017
pyqs
ifos
linearprogramming
simplex
1
answer
Solve the following linear programming problem by simplex method: Maximize $z= 3x_1+5x_2+4x_3$
answered
Dec 21, 2017
2017
pyqs
cse
linearprogramming
simplex
1
answer
Using graphical method, find the maximum value of $2x+y$ subject to given constraints.
answered
Dec 21, 2017
pyqs
2017
linearprogramming
0
answers
Show that the groups $Z_5 \times Z_7$ and $Z_{35}$ are isomorphic.
asked
Nov 25, 2017
pyqs
2017
modernalgebra
groups
0
answers
Let $F$ be a field and $F[X]$ denote the ring of polynomials over $F$ in a single variable $X ... $.
asked
Nov 25, 2017
pyqs
2017
modernalgebra
rings
0
answers
Using contour integral method, prove that $\int_{0}^{\infty} \frac{x \sin mx}{a^2 + x^2} dx = \frac{\pi}{2} e^{ma}$.
asked
Nov 25, 2017
pyqs
2017
calculus
integration
contourintegration
0
answers
Let $f(t) = \int_{0}^{t} [x] dx$. Value of $t$ for continuity and differentiability?
asked
Nov 25, 2017
pyqs
2017
calculus
continuity
0
answers
Determine all entire functions $f(z)$ such that $0$ is a removable singularity of $f\left( \frac{1}{z} \right)$.
asked
Nov 25, 2017
pyqs
2017
complexanalysis
0
answers
Find the supremum and the infimum of $\frac{x}{\sin x}$ on the interval $\left (0, \frac{\pi}{2} \right ]$.
asked
Nov 25, 2017
pyqs
2017
modernalgebra
0
answers
Let $G$ be a group of order $n$. Show that $G$ is isomorphic to a subgroup of the permutation group $S_n$.
asked
Nov 25, 2017
pyqs
2017
groups
modernalgebra
0
answers
Convergence of sequence: $x_1 = 2$ and $x_{n+1} = \sqrt{x_n+20}$
asked
Nov 25, 2017
pyqs
2017
convergence
37
questions
27
answers
2
comments
34
users