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प्रश्न
If A = `[(1, 2),(3, 4)] and "B" = [(2, 1),(4, 2)], "C" = [(5, 1),(7, 4)]`, compute (B + C)A
उत्तर
(B + C)A
A = `[(1, 2),(3, 4)]`
B = `[(2, 1),(4, 2)]`
C = `[(5, 1),(7, 4)]`
(B + C)A = `[(7, 2),(11, 6)] xx [(1, 2),(3, 4)]`
= `[(7 + 6, 14 + 8),(11 + 18, 22 + 24)]`
= `[(13, 22),(29, 46)]`.
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