Question

(5 + 3)/(sqrt(2) - 7)​

Answer 1

Explicație pas cu pas:

$\frac{5 + 3}{ \sqrt{2} - 7} = \frac{8}{ \sqrt{2} - 7} = \frac{8(\sqrt{2} + 7)}{( \sqrt{2} - 7)(\sqrt{2} + 7)} = \frac{8(\sqrt{2} + 7)}{2 - 49} = - \frac{8(\sqrt{2} + 7)}{47}$