[(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_数学解答

[(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：394 ℃　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)