Question: I need help with this. - 1 If R = 9 ] and s 1 -4 what is R - S? 2 5 If the

I need help with this.

- 1 If R = 9 ] and s 1 -4 what is R - S? 2 5 If the matrix exists, select its size before entering your answer. If the matrix does not exist, select undefined. R - S = L 1 x 1 1 x 2 1 x 3 1 x 4 2 x 1 2 x 2 2 x 3 2 X 4 3 x 1 3 x 2 3 x 3 3 x 4 4x 1 4 x 2 4 x 3 4 X 4 undefined Submit I don't know this yet &gt

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