expand (x-2y) sqaure 3
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Step-by-step explanation:
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Step-by-step explanation:
On using binomial expansion, we get
(3x+2y)4=(3x)4+4C1(3x)3(2y)+4C2(3x)2(2y)2+4C3(3x)(2y)3+4C4(2y)4
On solving we get
(3x+2y)4=81x4+216x3y+216x2y2+96xy3+16y4
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