Question

Sederhanakanlah pecahan aljabar berikut!

Answer 1

X^2-1 / ((1+xy)^2 - (x+y)^2)
= x^2-1 / (1+2xy+y^2) - x^2+2xy+y^2
= X^2-1 / x^2 + y^2 + xy^2 +1
= x^2 -1 / (xy)^2 + x^2 + y^2 +1