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प्रश्न
Given that M = `[(2, 0),(1, 2)]` and N = `[(2, 0),(-1,2)]`, find M + 2N
उत्तर
M = `[(2, 0),(1, 2)]`
N = `[(2, 0),(-1,2)]`
∴ M + 2N = `[(2, 0),(1, 2)] + 2[(2, 0),(-1,2)]`
= `[(2, 0),(1, 2)] + [(4, 0),(-2, 4)]`
= `[(2 + 4, 0 + 0),(1 - 2, 2 + 4)]`
= `[(6, 0),(-1, 6)]`.
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