result += check_normal(e, d);
e = (pow(x, 2) - pow(y, 2)) / pow(x-y, 3);
- d = (x + y) / (pow(x, 2) + pow(y, 2) - x * y * 2);
+ d = (x + y) / pow(x - y, 2);
result += check_normal(e, d);
e = (pow(x, -1) + x) / (pow(x , 2) * 2 + 2);
// Fraction cancellation with rational coefficients
e = (pow(x, 2) - pow(y, 2)) / pow(x/2 - y/2, 3);
- d = (8 * x + 8 * y) / (pow(x, 2) + pow(y, 2) - x * y * 2);
+ d = (8 * x + 8 * y) / pow(x - y, 2);
result += check_normal(e, d);
// Fraction cancellation with rational coefficients