If A is an orthogonal matrix, then which of the following is true i. A has orthonormal rows ii. A has orthonormal columns A is square matrix A is invertible A"A = I iii. iv. V. (a) ii ,iii, iv (b) ii ,iii, iv, v (c) į ,ii, iv, v (d) All of these O b O a

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A: True :

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Q: TRUE or FALSE: Every invertible n xn matrix is similar to the identity matrix In.

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