(x^2+4)-16x^2
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(x^2+4)-16x^2(x^2+4)-16x^2(x^2+4)-16x^2(x^2+4)-16x^2=(x²+4+4x)(x²+4-4x)=(x+2)²(x-2)&#
(x^2+4)-16x^2
(x^2+4)-16x^2
(x^2+4)-16x^2
(x^2+4)-16x^2
=(x²+4+4x)(x²+4-4x)
=(x+2)²(x-2)²
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
(x/x-2-x/x+2)/4x/x-2
(x-2)(x+2)(x^4+4x^2+16)
(x-2)(x+2)(x^2+4)(x^4+16)
(x-2)(x^2+4)(x^4+16)(x+2)
(x^2 + 4x)(x^2 + 4x+8)+16
(x^2-4x)(x^2-4x+8)+16
x^2-8x+16分之x^2-4x
（x^2-4x）/x^2-8x+16
16x^4-4x^2+x)/x=?
（16x^4+4x^2+x）/x=?
因式分解：(X+2)(X+4)(X+6)(X+8)+16
（x+2)(x-2)+16 (x-1)(x-2)+3x（x+3）-4（x+2)(x-3)（x+2)(x-2)+16 (x-1)(x-2)+3x（x+3）-4（x+2)(x-3)
计算(x+/1x)(x^2+1/x^2)(x^4+1/x^4)(x^8+1/x^8)(x^16+1/x^16)(x^2-1)
(x+1/x)(x^2+1/x^2)(x^4+1/x^4)(x^8+1/x^8)(x^16+1/x^16)(x^2-1)
(x+x^-1)(x^2+x^-2)(x^4+x^-4)(x^8+x^-8)(x^16+x^-16)(x^2-1)=?
1/(1-x)+1/(1+x)+2/(1+x*x)+4/(1+x*x*x*x)+8/(1-x*x*x*x*x*x*x*x)怎么做
(x^2-8x+16)/(4-x^2)/(16-x^2)/(4+4x+x^2)