Question: a b Let A= Show IA = A. c d What should be done to show IA = A? O A. Left multiply A by

a b Let A= Show IA = A. c d What should be done to show IA = A? O A. Left multiply A by A - 1. O B. Left multiply A by the 2 x2 identity matrix. O C. Left multiply A by O D. Solve the equation AX = I, where X is a matrix of variables Perform the operation above a + a + Simplify the expression above. Enter a 2 x 2 matrix

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