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प्रश्न
If A = `[(2, 4),(3, 2)]` and B = `[(1, 3),(-2, 5)]`
find AB,
उत्तर
AB = `[(2, 4),(3, 2)] [(1 , 3),(-2, 5)]`
= `[(2.1 + 4. (-2), 2.3 + 4.5),(3.1 + 2.(-2), 3.3 + 2.5)]`
AB = `[(-6 , 26),(-1, 19)]`
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