Задание
Упростите выражение \(\dfrac{1}{ ( \dfrac{\sqrt{a}+\sqrt{x}} {\sqrt{a+x}} -\dfrac{\sqrt{a+x}}{\sqrt{a}+\sqrt{x}} )^2 }-\dfrac{1}{ ( \dfrac{\sqrt{a}-\sqrt{x}} {\sqrt{a+x}} -\dfrac{\sqrt{a+x}}{\sqrt{a}-\sqrt{x}} )^2 }.\)
- \(\dfrac{a+x}{\sqrt{ax}}\)
- \(\dfrac{a+x}{\sqrt{a}+\sqrt{x}}\)
- \(\dfrac{a-x}{\sqrt{ax}}\)
- \(\dfrac{a+x}{\sqrt{a-x}}\)