Question

al desallorar (x/y-y/X)^2​

Answer 1

Respuesta:

Explicación paso a paso:

$\left(\dfrac{x}{y}-\dfrac{y}{x} \right)^2\\\\\left(\dfrac{x\times x-y\times y}{xy}\right)^2\\\\\left(\dfrac{x^2-y^2}{xy}\right)^2\\\\\dfrac{(x^2-y^2)^2}{(xy)^2}\\\\\boxed{\dfrac{x^4-2x^2y^2+y^4}{x^2y^2}}$