Question

(a^1/2*b^1/2-b)/a-b помогите упростить!

Answer 1

$\frac{a^{1/2}b^{1/2}-b}{a-b}= \frac{b^{1/2}(a^{1/2}-b^{1/2})}{(a^{1/2}-b^{1/2})(a^{1/2}+b^{1/2})}= \frac{b^{1/2}}{a^{1/2}+b^{1/2}} = \frac{ \sqrt{b} }{ \sqrt{a} + \sqrt{b} }$