Question

ma poate ajuta cineva va rog frumos?

Answer 1

$\frac{ \sqrt{x^3}- \sqrt{y^3} }{ \sqrt{x}- \sqrt{y} } = \frac{( \sqrt{x} - \sqrt{y})( \sqrt{ x^{2} }+ \sqrt{xy}+ \sqrt{y^2} ) }{ \sqrt{x} - \sqrt{y} } =x+ \sqrt{xy}+y$