Note:- You are attempting question 5 out of 12 Let A be unitary matrix. For what value of k, kA is also unitary? (a) |k|=1 (b) |k|=2 (c) |k|=3 (d) |k|= 4 Answer NG 7 20DLAAdvancedM..png to search □ B ABCO 6 Address 198