Question: I need help with this. Consider Matrix A. A=[ -2. -8] [ -1. -4] does the inverse of matrix A exist ? the inverse of

I need help with this. Consider Matrix A.

A=[ -2. -8]

[ -1. -4]

does the inverse of matrix A exist ?

the inverse of a square matrix exists only when___

possible answers are

the determinant does not equal zero

all entries are non zero

all enteries same sign

the inverse of matrix A ____

posdible answers

does exist

does not

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