x^4-8x^2+16

*-----------------------------------------------*| 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^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 因式分解：(X+2)(X+4)(X+6)(X+8)+16 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) x/x-2=x²-8x+16/x²²-4x+4 (x+1)(x^2+1)(x^4+1)(x^8+1)(x^16+1)(x-1) x=1-x/2+x/4-x/8+x/16-x/32 X,2X,4X,8X,16X,32X,.第N个单项式为什么 24道符号^表示平方1,x^+21x+202,x^-8x-203,x^+8x-204,x^-8x-335,x^-4x-326,x^-14x+337,x^+49x+488,x^-14x+489,x^-2x-4810,x^+22x-4811,x^-19x+4812,x^-16x+4813,x^+8x-4814,x^-29x+10015,x^+x-7216,x^+32x-3317,x^-21x-10018,x^+4x+319,x^-6x+520,x^+15x+2621,x^ X=1+2/X+4/X+8/X+16/X对不起，题错了X=1+X/2+X/4+X/8+X/16 设x= -5/2,求6x+(x/x-2 - x/x+2)/4x/x^4-2x^3+8x-16的值