(a-b)^2n-1·[(b-a)^n]^2(n为正整数)
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(a-b)^2n-1·[(b-a)^n]^2(n为正整数)(a-b)^2n-1·[(b-a)^n]^2(n为正整数)(a-b)^2n-1·[(b-a)^n]^2(n为正整数)(a-b)^(2n-1)·
(a-b)^2n-1·[(b-a)^n]^2(n为正整数)
(a-b)^2n-1·[(b-a)^n]^2(n为正整数)
(a-b)^2n-1·[(b-a)^n]^2(n为正整数)
(a-b)^(2n-1)·[(b-a)^n]^2
=(a-b)^(2n-1)·[(a-b)^n]^2
=(a-b)^(2n-1)·(a-b)^2n
=(a-b)^(2n-1+2n)
=(a-b)^(4n-1)
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