Let A=⎡⎢⎣123101141⎤⎥⎦ and B=⎡⎢⎣1110−111−1+1⎤⎥⎦ be two matrices and let AB = C, then the value of C21 is
Let A=[1234] and B=[abcd] are two matrices such that AB = BA and c≠0, then value of a−d3b−c is :
Let A=[1234] and B=A=[abcd] are two matrices such that AB = BA and c≠0, then value of a−d3b−c is :