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Engineering Math Practice Test: Linear Algebra
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Engineering Math Practice Test: Linear Algebra
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10 Questions

1. Find the values of x and y in the matrix below if the matrix is a skew symmetric matrix.
P = \(\begin{bmatrix}
0 & y & -4\\
-5 & 0 & 8 \\
x+y&-8 & 0
\end{bmatrix} \)
2. The matrix which remains unchanged under transposition is known as skew symmetric matrix.
3. Which of the following matrix is orthogonal?
4. Who introduced the term matrix?
5. Find the symmetric matrix for the given quadratic form, \(Q = 2x_1^2 + 2x_2^2 + 5x_3^2 – 3x_1 x_2+7x_3 x_1.\)
6. Which among the following is listed under the law of transposes?
7. The sum of two skew-symmetric matrices is also a skew-symmetric matrix.
8. Every Identity matrix is an orthogonal matrix.
9. Which of the following is known as the reversal rule?
10. Which of the following is known as Hadamard matrix?

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