Aerin H.

asked • 05/02/21

Show that B is the inverse of A.

A = -1/2 -5/4 B = 8 5

1 2 -4 -2



To show that B is the inverse of A, we need to show that AB = I = BA.


AB = -4 + ___ -5/2 + ___ = ____ ____

8 + ___ 5 + ___ ____ ____



BA = -4 + ___ -10 + ___ = ____ ____

2 + ___ 5 + ___ ____ ____



Mark M.

The process involves only multiplication and addition. What prevents you from doing that?
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05/02/21

1 Expert Answer

By:

Patrick B. answered • 07/25/21

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4.7 (31)

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