Q2 of 307 Page 6

If and then find

a22 + b21

A = [aij] = …......(1)

B = [bij] = …......(2)


Given, A = [aij] = B = [bij] =


Now, Comparing with equation (1) and (2)


a22 = 4 and b21 = – 3


a22 + b21 = 4 + ( – 3) = 1


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