Question

A square matrix has inverse,
if I Al is *
O AO
O B)1
O C)-1
OD) Non Zero​

Answer 1

Answer:

non zero

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Answer 2

Answer:

If we have an n by n matrix called A. How do we know if there is an inverse matrix A^-1 such that the product A * A^-1 is the n by n identity matrix?

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