a^n+2-6a^n+5a^n-2(n>2且n为整数
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a^n+2-6a^n+5a^n-2(n>2且n为整数a^n+2-6a^n+5a^n-2(n>2且n为整数a^n+2-6a^n+5a^n-2(n>2且n为整数a^n+2-6a^n+5a^n-2=a^(n
a^n+2-6a^n+5a^n-2(n>2且n为整数
a^n+2-6a^n+5a^n-2(n>2且n为整数
a^n+2-6a^n+5a^n-2(n>2且n为整数
a^n+2-6a^n+5a^n-2
=a^(n-2)[a^4-6a^2+5]
=a^(n-2)(a^2-1)(a^2-5)
=a^(n-2)(a-1)(a+1)(a^2-5)
a^n+2-6a^n+5a^n-2(n>2且n为整数
因式分解:a^n+2-6a^n
如果n是正整数,[(8a^n+3)-(6a^n+2)-(5a^n+1)]/(-a)^n
(a^n+b^n)(a^2n-a^n*b^n+b^2n)
设a,n∈N*证明a^2n-(-a)^n≥(a+1)×a^n
(4a^2n-6a^n+1+2a^n)/2a^n 因式分解
(3a^n+1+6a^n+2-9a^n)/3a^n-1
(6a^n+2 +3a^n+1 -9a^n)/3a^n-1
-a^n-(-5a^n-1)-2(a^n-1-3a^n)
下列几组力中,合力不可能等于0的是 A.3N 4N 6N B.1N 2N 4N C.2N 4N 6N D.5N 5N 1N
5a^n-2a^n-8a^n+1+6a^n-a^n+1(n为正整数)急死!
5a^n-2a^n-8a^n+1+6a^n-a^n+1 n是正的整数
如果a^n+a^-n=5,那么a^n/(a^2n+a^n+1)的值是什么
a^n+2-18a^n+81a^n-2
a^2n=5 a^6n=?
a^n+2+a^n+1-a^n因式分解
a^n+1+a^n-1-2a^n因式分解
a^n+2+a^n+1-3a^n因式分解