计算:(x+1)(x-2)(x-3)(x-6)
来源:百度知道 编辑:UC知道 时间:2024/05/15 02:15:56
(x+1)(x-2)(x-3)(x-6)=
=(x+1)(x-6)(x-2)(x-3)
=(x^2-5x-6)(x^2-5x+6)
=(x^2-5x)^2-36
=x^4-10x^3+25x^2-36
你是怎么读书的啊!!!
对阿,你怎么读书的阿
x^4-10x^3+25x^2-36
x^4-10x^3+25x^2-26
用(x+1)(x-6),(x-2)(x-3)
得(x^2-5x-6)(x^2-5x+6)
设x^2-5x=y
(y-6)(y+6)=y^2-36=(x^2-5x)^2-36=x^2(x-5)^2-36
=x^4-10x^3+25x^2-26
一步步算```
计算(X-1)(X-2)(X-3)(X-4)
计算:(x+1)(x-2)(x-3)(x-6)
计算(x-1)(x-2)(x-3)(x-4)
VB计算print x+1;x+2;x+3
计算:[4(x-2)*2+12(x+2)(x-2)-8(x-1)*2(x-2)]·4(x-2)
计算1/x(x+1)+1/(x+1)(x+2)…+1/(x+1998)(x+1999)
已知x=根号2-1,计算x^10+2x^9-2x^8-2x^7+x^6+3x^2+5x+1的值
计算:(x+2)/(x+1)-(x+4)/(x+3)-(x+3)/(x+2)+(x+5)/(x-4)
计算1/(x-1)+1/((x-1)(x-2))+1/((x-2)(x-3))+......+1/((x-99)(x-100))
计算下列极限 lim(1+2/x)2x