Question

Помогите решить пожалуйста срочно

Answer 1

$\frac{t^{2}}{t^{2}-u^{2}} u \frac{t-u}{4t+4u}; \frac{t^{2}}{(t-u)(t+u)} u \frac{t-u}{4(t+u)}; \frac{4t^{2}}{4(t+u)(t-u)} u \frac{(t-u)^{2} }{4(t+u)(t-u)}$

$\frac{4t^{2}}{4(t+u)(t-u)} u \frac{(t^{2}-2tu+u^{2} )}{4(t+u)(t-u)}$