Question

Q.13 :-In a Matrix
a.If matrix is 3x4, then maximum rank will be 3
b.(AB)' =B'A
C.AP=A is the condition for idempotent matrix
d.A2=I is the condition for involuntary matrix
only a is correct
no one is correct
only a,b and care correct
only a and b are correct
all are correct​

Answer 1

Hmmmmmmmmmmmmmmeeeee