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[(b-3a)的2次方]的n+1次方乘于【(3a-b)的2n+1次方】的3次方 (n为正整数) 要求计算
人气:404 ℃ 时间:2019-08-19 19:30:13
解答
[(b-3a)²]^(n+1)×【(3a-b)^(2n+1)】³
=[(3a-b)²]^(n+1)×【(3a-b)^(2n+1)】³
=(3a-b)^(2n+2)×(3a-b)^(6n+3)
=(3a-b)^[(2n+2)+(6n+3)]
=(3a-b)^(8n+5)
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