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10 questions from this quiz
A real number that multiplies each element
Every entry is scaled by the same factor
(620−4)\begin{pmatrix} 6 & 2 \\ 0 & -4 \end{pmatrix}(602−4)
(−36−120)\begin{pmatrix} -3 & 6 \\ -12 & 0 \end{pmatrix}(−3−1260)
λ(A×B)=(λA)×B\lambda(A \times B) = (\lambda A) \times Bλ(A×B)=(λA)×B
Yes, without affecting the result
No, the scalar doesn't change matrix size
Yes, they are equal
All elements of the matrix
When the inner dimensions match
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