Question

Given: A = [ 2 1 3 1 ] and B = [ 3 0 1 1 ]. Find 2A + 3B − 4I, where I is a unit matrix.

Answer 1

Step-by-step explanation:

2A is 14

3B is 15

4I is 8 as unit matrix is 1 0

0 1

So 21

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