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1
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1.1k
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1
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Find mean and variance.
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
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1
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1.2k
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1
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Find A and B.
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
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1.8k
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1
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Find m,n and variance
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
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1.3k
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1
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Find k and then E(X)
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
0
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1
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1.3k
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1
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Let X be a continuous random variable with probability distribution P(x)
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
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1
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14k
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The probability mass function of a random X is zero except at the points X=0,1,2 .
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
0
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1
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2.7k
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If $A=\begin{bmatrix}1&0\\ 2&4\end {bmatrix}$ then find the eigen values of $4A^{-1}+ 3A + 21$
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
0
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3.0k
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Find the eigen values of $A^2 +2I$ ,where $A = \begin{bmatrix} \ 1 & 0 & 0 \\ \ 2 & -2 & 0 \\ \ 3 & 5 & 3 \\ \end{bmatrix}$ , where I is the identity matrix of order 3.
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
1
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3.3k
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State Cayley-Hamilton theorem & verify the same for $A=\begin{bmatrix}1&3\\2&2\end{bmatrix}$
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
1
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1
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6.4k
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If $A = \begin{bmatrix} \ -1 & 2 & 3 \\ \ 0 & 3 & 5 \\ \ 0 & 0 & -2\\ \end{bmatrix}$. Find the eigen values of $A^3 +5A +8I$.
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
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2.9k
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If $A = \begin {bmatrix} \ x & 4x\\ \ 2 & y \\ \end{bmatrix}$ has eigen values 5 &-1 ,then find values of x& y.
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
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1
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1.2k
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Evaluate $\int_0^\infty\frac{dx}{(x^2 + a^2)^3}dx$, using contour integration.
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
0
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1
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5.9k
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Evaluate $\int_{-\infty}^{\infty} \frac{x^2 + x + 2}{x^4 + 10x^2 + 9}dx$, using contour integration.
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
0
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1
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1.2k
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Evaluate $\int_{- \infty}^{\infty} \frac{x^2}{(x^2+a^2)(x^2+b^2)}dx$, a>0, b>0 using contour integration.
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
0
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1
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1.3k
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1
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Evaluate $\int_0^{\pi} \frac{d \theta}{3+2 cos \theta}$
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
4
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1
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25k
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Evaluate $\int_0^{2 \pi} \frac{cos 2 \theta}{5+4 cos \theta} d \theta$
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
1
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1
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6.6k
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Evaluate $\int_0^{2\pi} \frac{d \theta}{5+3 sin \theta}$
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
1
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1
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8.2k
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1
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Evaluate $\int \frac{e^z}{z^2+ \pi^2}dz$ where C is |z|=4 ,using residue theorem
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
0
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1
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1.5k
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Evaluate $\int \frac{z^2}{(z-1)^2(z+1)}dz$ where C is |z| = 2, using residue theorem.
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
1
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1
answer
2.3k
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1
answer
Find the residues of $f(z) = \frac{sin \pi z^2 + cos \pi z^2}{(z - 1)(z - 2)^2}$ at its pole.
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
0
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1
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1.1k
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1
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Obtain Tayiors & Laurents series expansions of function $f(z) = \frac{z-1}{z^2-2z-3}$ indicating regions of convergence.
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
0
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1
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1.2k
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1
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Find Laurents series which represent the function
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
0
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1
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1.3k
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1
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Obtain all Tayiors & Laurents series expansions of function $\frac{(z-2)(z+2)}{(z+1)(z+4)}$ about z = 0
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
2
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1
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5.1k
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1
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If $f(a)= \int \frac{4z^2 + z +5}{z - a}dz$, where C is the circle $|z| = 2$, find the values of f(1), f(i), $f''(-i)$.
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
0
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3.1k
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1
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If C is the circle $|z|=1$, using the integral $\int \frac{e^{kz}}{z}dz$, where K is real, show that $\int_0^{\pi} e^{k cos \theta} cos (ksin \theta) d \theta = \pi$
engineering mathematics updated 6.0 years ago by teamques10 ★ 70k
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