hmmmmmm............maybe!!!!![matrices]

[matrices]

is it possible to have AB=I

and A does not have an inverse?

2 Answers

ya,it is.A^-1 is defined as 1 / |A| (adj.A). so,if A is a singular matrix ,then A^-1 is not defined. B is the inverse of A,if only A is non-singular.

ya ur right

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