Question

Resolver: √(5+√6)(5-√6)

Answer 1

Hola.

$\mathsf{\sqrt{\left(5+\sqrt6\right)\left(5-\sqrt6\right)}=}\\\\ \mathsf{\sqrt{5\cdot5-5\sqrt6+5\sqrt6-\sqrt{6\cdot6}}=}\\\\ \mathsf{\sqrt{25-\sqrt{36}}=}\\\\ \mathsf{\sqrt{25-6}=}\\\\ \boxed{\mathsf{\sqrt{19}}}$

Buenos estudios.