Question

(√p)-1/p-1=?


8/(√a)-4=?

Answer 1

$frac{sqrt{p}-1}{p-1} = frac{sqrt{p}-1}{(sqrt{p})^2-1^2} = frac{sqrt{p}-1}{(sqrt{p}-1)(sqrt{p}+1)} =frac{1}{sqrt{p}+1}$

$frac{8}{sqrt{x}}-4 = 4(frac{2}{sqrt{x}}-1)$

Answer 2

2 пример пожалуйста