Question

已知x平方-5x-2002=0 求X-2分之（X-2）的立方-（X-1）的平方+1

Answer 1

已知：x^2-5x-2002=0

求:(x-2)^3/x-2 -(x-1)^2+1=?

:(x-2)^3/x-2 -(x-1)^2+1=(x-2)^2-(x-1)^2+1=(x-1-1)^2-(x-1)^2+1=(x-1)^2-2(x-1)+1-(x-1)^2+1=4-2x

x^2-5x-2002=0

x不是整数解!看看有没有打错题.