Multiply each element of the matrix by the scalar.
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Yes, the result is a 3x3 matrix
Multiply it by the identity matrix.
A matrix IS an array so it is impossible to multiply a matrix without array. The answer to the multiplication of two matrices need not be an array. If the first matrix is a 1xn (row) matrix and the second is an nx1 (column) matrix, then their multiple is a 1x1 matrix which can be considered a scalar.
Multiply the number in matrix one with the corresponding number in matrix two: Matrix 1 Matrix 2 result 2x 3x 4x 6x = 8x2 18x2 4x 5x x 3x 4x2 15x2
Multiply -1 by every entry in the matrix. (Flip the signs.)