Mathematics for Computer Scientists 2 (COMP1045 UNMC) (SPM1 24-25)

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The complement of a set A contains:

Only elements in the universal set

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All elements in A

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Only elements in A \cap B

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All elements not in A

33%

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If a matrix has a row of zeros, what is its determinant?

Equal to the sum of the nonzero rows

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1

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Cannot be determined

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0

50%

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If A is an invertible matrix, then the determinant of A^{-1} is:

1

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0

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\det(A)

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\frac{1}{\det(A)}

50%

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An orthogonal matrix has a determinant of:

Any real number

67%

1 or -1

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Undefined

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0

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Which of the following is a numeric vector in \mathbb{R}^3 ?

(1,2,3)

33%

\begin{bmatrix} 1 & 2 \\ 3 & 4 \end{bmatrix}

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(a,b)

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(1,2)

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The adjugate matrix of A is used to compute:

The inverse of A

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The determinant of A

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The trace of A

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The transpose of A

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