Question

даю 30 баллов

2. Представьте в виде дроби​

Answer 1

$\frac{x-y}{4x^{2}-y^{2}} -\frac{2}{3y-6x} =\frac{x-y}{(2x-y)(2x+y)}-\frac{2}{3(y-2x)}=\frac{x-y}{(2x-y)(2x+y)}+\frac{2}{3(2x-y)}\\\\=\frac{3(x-y)+2*(2x+y)}{3(2x+y)(2x-y)} =\frac{3x-3y+4x+2y}{3(2x-y)(2x+y)}=\boxed{\frac{7x-y}{3(4x^{2}-y^{2})} }$