把多项式an+4-an+1分解得?A.an(a4-a) B.an-1(a3-1) C.an+1(a+1)(a2-a+1) D.an+1(a-1)(a2+a+1)结果是D

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把多项式an+4-an+1分解得?A.an(a4-a)B.an-1(a3-1)C.an+1(a+1)(a2-a+1)D.an+1(a-1)(a2+a+1)结果是D把多项式an+4-an+1分解得?A.

把多项式an+4-an+1分解得?A.an(a4-a) B.an-1(a3-1) C.an+1(a+1)(a2-a+1) D.an+1(a-1)(a2+a+1)结果是D
把多项式an+4-an+1分解得?A.an(a4-a) B.an-1(a3-1) C.an+1(a+1)(a2-a+1) D.an+1(a-1)(a2+a+1)
结果是D

把多项式an+4-an+1分解得?A.an(a4-a) B.an-1(a3-1) C.an+1(a+1)(a2-a+1) D.an+1(a-1)(a2+a+1)结果是D
a^(n+4)-a^(n+1)
=a^(n+1)(a^3-1)
=a^(n+1)(a-1)(a^2+a+1)
选D.