Prove that if

Please note this wasnt in my book it was a problem assigned by myprofessor.

**A*A = AA***then the range of A isorthogonal to the null space of A. In other words prove thatevery vector in the Range of A is orthogonal to every vector in theNull Space of A.Please note this wasnt in my book it was a problem assigned by myprofessor.

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