Question

СРОЧНО!!!! ДАЮ 30 БАЛЛОВ
Приведите к общему знаменателю​

Answer 1

$1)\frac{10t^{2}}{10(t+u)(t-u)}\\\\\frac{t^{2}-2tu+u^{2}}{10(t+u)(t-u)}\\\\\\3) \frac{t^{2}}{t^{2}-u^{2}}=\frac{10t^{2}}{10(t^{2}-u^{2})} \\\\\frac{t-u}{10t+10u}=\frac{t^{2}-2tu+u^{2}}{10(t^{2}-u^{2})}$