If A=[1 2 3 4 ] and B={:[(1),(2),(3),(4)...

If A=[1 2 3 4 ] and `B={:[(1),(2),(3),(4)]:}` find AB and BA.

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The correct Answer is:

x + 2y + 3z = 14, 2x - y + 5z = 15,-3x + 2y + 4z = 13

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