Question

If A = `[(1, 2),(3, -2),(-1, 0)]` and B = `[(1, 3, 2),(4, -1, 3)]` then find the order of AB

Answer 1

A = `[(1, 2),(3, -2),(1, 0)]` is 3 × 2 matrix and B = `[(1, 3, 2),(4, -1, 3)]` is 2 × 3 matrix

∴ AB is 3 × 3 matrix