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Engineering Mathematics

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The number of messages sent per hour over a computer network has the following probability distribution.
engineering mathematics updated 7.2 years ago by xoco • 0
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Solve the following.
engineering mathematics updated 7.2 years ago by xoco • 0
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Find the extemal of following $ \int_{x_0}^{x_1} \frac{1+ y^2}{y^{12}}dx$
engineering mathematics updated 7.2 years ago by tusharghangas1 • 0
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4] b) If tan($\theta$+i$\omega$) = tan$\alpha$ + isec$\alpha$ Prove that
engineering mathematics updated 7.6 years ago by teamques10 ★ 70k
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4] a) If x = u+v+w, y = uv+vw+uw, z = uvw and $\omega$ is a function of x,y and z. Prove that
engineering mathematics updated 7.6 years ago by teamques10 ★ 70k
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1]e) Express the matrix as the sum of symmetric and skew symmetric matrices.
engineering mathematics updated 7.6 years ago by teamques10 ★ 70k
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1c) If x=uv , y =$\frac{(u+v)}{(u-v)}$. find $\frac{\partial(u,v)}{\partial(x,y)}$.
engineering mathematics updated 7.6 years ago by teamques10 ★ 70k
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If x is a normal variate with mean 10 and S.D. 4
engineering mathematics updated 8.0 years ago by teamques10 ★ 70k
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Estimate the number of students having heights (i) greater than 72 inches,9ii)less than 62 inches ,(iii) between 65 and 71 inches
engineering mathematics updated 8.0 years ago by teamques10 ★ 70k
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Find mean and the variance of the distribution
engineering mathematics updated 8.0 years ago by teamques10 ★ 70k
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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 8.0 years ago by teamques10 ★ 70k
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Solve $(D^3+D)y=cosec(x)$ by the method of variation of parameters.
engineering mathematics updated 8.1 years ago by teamques10 ★ 70k
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Solve $(D^2+a^2)y=sec(ax)$ by the method of variation of parameters.
engineering mathematics updated 8.1 years ago by teamques10 ★ 70k
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Solve $(D^2-1)y=cos\hspace{0.1cm}e^{-x}+e^{-x}\hspace{0.1cm}sin\hspace{0.1cm}e^{-x}$ by the method of variation of parameters.
engineering mathematics updated 8.1 years ago by teamques10 ★ 70k
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Show that $A = \begin{bmatrix} \ 2 & 2 & 4 \\ \ 0 & 2 & -1 \\ \ 0 & -0 & 1 \\ \end{bmatrix}$ is not similar to a diagonal matrix
engineering mathematics updated 8.1 years ago by teamques10 ★ 70k
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Find the eigen values of the adjoint of $A = \begin{bmatrix} \ 2 & 0 & -1 \\ \ 0 & 2 & 0 \\ \ -1 & 0 & 2\\ \end{bmatrix}$.
engineering mathematics updated 8.2 years ago by teamques10 ★ 70k
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If $A= \begin{bmatrix} \ \pi & \pi/4 \\ \ 0 & \pi/2 \\ \end{bmatrix}$ ,find cosA
engineering mathematics updated 8.2 years ago by teamques10 ★ 70k
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If $A = \begin{bmatrix}\ 2 & 3 \\ \ -3 & -4 \\ \end{bmatrix}$, Prove that $A^{50} = \begin{bmatrix}\ -149 & -150 \\ \ 150 & 151 \\ \end{bmatrix}$
engineering mathematics updated 8.2 years ago by teamques10 ★ 70k
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Show that $A = \begin{bmatrix} \ 7 & 4 & -1 \\ \ 4 & 7 & -1 \\ \ -4 & -4 & 4 \\ \end{bmatrix}$ is derogatory
engineering mathematics updated 8.2 years ago by teamques10 ★ 70k
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Show that $A = \begin{bmatrix} \ 2 & -2 & 3 \\ \ 1 & 1 & 1 \\ \ 1 & 3 & -1 \\ \end{bmatrix}$ is Non derogatory
engineering mathematics updated 8.2 years ago by teamques10 ★ 70k
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Find moment generating function of Poisson distribution & hence find mean and variance.
engineering mathematics updated 8.2 years ago by teamques10 ★ 70k
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Fit a poisson distribution
engineering mathematics updated 8.2 years ago by teamques10 ★ 70k
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In a distribution exactly normal 7% of items are under 35 and 89% of items are under 63. Find the probability that an item selected at random lies between 45 and 56.
engineering mathematics updated 8.2 years ago by teamques10 ★ 70k
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Show that the matrix $$A= \begin{bmatrix} 8 & -6 & 2 \\ -6 & 7 & -4 \\ 2 & -4 & 3 \\ \end{bmatrix}$$ is diagonalizable. Find the transforming matrix and the diagonal matrix
engineering mathematics updated 8.3 years ago by teamques10 ★ 70k
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Show that the matrix $ \begin{bmatrix} -9 & 4 & 4 \\ -8 & 3 & 4 \\ -16 & 8 & 7 \\ \end{bmatrix}$ is diagonalizable. Find the transforming matrix and the diagonal matrix.
engineering mathematics updated 8.3 years ago by teamques10 ★ 70k
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