Question

已知A=2X,B是多项式计算A+B是,某人将A+B看成A÷B,结果的X（2）+二分之一,求A+B (2)是幂

Answer 1

由于 A÷B = X^2+1/2,即 2X÷B =X^2+1/2

解之,2X = B(X^2+1/2)

B = 4X / (2X^2+1)

所以

A+B

= 2X + 4X / (2X^2+1)

= (4X^3+2X+4X)/ (2X^2+1)

= 2X(2X^2+3)/(2X^2+1)