Question

LINEAR ALGEBRA QUESTION! Given U transpose*U=I, show that U*U transpose=I

Answer 1

\[Given : U ^{T}* U= I \]
\[Prove: U*U ^{T}=I\]

Answer 2

(U^T * U)^T = I^T =I
= (U^T)^T *u^T =I
U^T*U =I
I mean