Question

一道数学计算题：分式的乘除~（x的平方y的平方/x的平方-y的平方）的三次方 × （y的平方-x的平方/x的三次方y的平

Answer 1

[x²y²/(x²-y²)]³×[(y²-x²)/x³y²]²

=x^6y^6/(x²-y²)³×(y²-x²)²/x^6y^4

=x^6y^6/(x²-y²)³×(x²-y²)²/x^6y^4

=y²/(x²-y²)