(x-2)(x+4)(x-5)(x-n)+m为完全平方式,求m的值
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(4x^n-2x^n-1-3x^n+2)÷(-5x^n-1)
x^n-1(3x^n+4x^n+1-5x^n+2)
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(x^4n/x^2n)*x^n
求 4/(x+1)(x+3) + 4/(x+3)(x+5) +.+ 4/(x+2n-1)(x+2n+1)
求Sn=3x+4x²+5x³+.+(n+2)x^n
(-x^2n-2)*(-x)^5÷[x^n+1*x^n*(-x)]=?
(-x^2n-2)(-x)^5÷[x^n+1·x^n`(-x)]
4x的4次方+1(因式分解)快X^5N+X^N+1(X^2+X+1)(X^2-6X+1)+12x^2
x^(n)*x^(n+1)+x^(2n)*x
(x^2n-2)(x^8n+16)(x^2n+2)(x^4n+4)
若x^3n=2,试求x^6n+x^4n乘以x^5n的值
x的^3n=2,求x^6n+x^4n*x^5n的值
(x^4n+16)(x^n-2)(x^2n+4)(x^n+2)=
(x^4n - 16) * (x^n - 2) * (x^2n + 4) * (x^n + 2)
因式分解4x^(n+2)-9x^n+6x^(n-1)-x^(n-2)
因式分解4x^n+2-9x^n+6x^n-1-x^n-2
X,2X,4X,8X,16X,32X,.第N个单项式为什么