(x+1)(x-1)(x2-x+1)(x2+x+1)等于多少啊
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(x+1)(x-1)(x2-x+1)(x2+x+1)等于多少啊
(x+1)(x-1)(x2-x+1)(x2+x+1)等于多少啊
(x+1)(x-1)(x2-x+1)(x2+x+1)等于多少啊
(x+1)(x-1)(x2-x+1)(x2+x+1)
=[(x+1)(x^2-x+1)][(x-1)(x^2+x+1)]
=(x^3+1)(x^3-1)
=x^6-1
(x2+4x)/(x-1)
化简x/x2+x除以x2+x-2/x2-1+x+1/x+2
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函数f(x)=3x/x2+x+1 (x
函数f(x)=3x/x2+x+1 (x
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3/x2 -3x+2-1/x-2=1/x2 -x+4/x2 -2x
通分 3x/x2-2x,2x+1/4-x2,3/2x2+4x
化简x(x2-3)+x2(x-3)-3x(x2-x-1)
若01/xB x2>1/x>xC 1/x>x>x2D x2>x>1/x
(x+2)(x2-2x+4)+(x-1)(x2+x+1),其中x=-三分之二
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(x-1)(x+1)(x2-1)
因式分解 x2(x+1)-y(xy+x)
2-3X/X2+X+1>3
函数y=x2+1/x(x
2x-(3x-1)+2(x2)