Mathematics, 22.12.2019 16:31, sweetLips230

Which of the following statements are true about scalar multiplication of matrices?

you can multiply a matrix of any size by a scalar.
for any matrix a, 1 × a = a.
for any scalar r, ri = i, where i is the identity matrix.
you can scale geometric figures using scalar multiplication.
scalar multiplication is a shortcut for repeated addition of the same matrix.
scalar multiplication is not possible for matrices that are not square.

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Which of the following statements are true about scalar multiplication of matrices?

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