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24 September, 09:00

What is the coefficient of x^3 y^2 in the expansion of (2x+y) ^5

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  1. 24 September, 09:29
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    Answer:coefficient of x³y²=80

    Step-by-step explanation:

    using pascal triangle to expand we get

    (2x+y) ⁵=32x⁵+80x⁴y+{80x³y²}+40x²y³+10xy⁴+y⁵

    the one in bracket is the answer so the coefficient of x³y²=80
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