(√2-√5-√7)/(√2+√5+√7)=(√2-(√5+√7))/(√2+(√5+√7))=
=(√2-(√5+√7))(√2-(√5+√7))/(√2+(√5+√7))(√2-(√5+√7))=
=(√2-(√5+√7))²/((√2)²-(√5+√7)²
=2-2.√2.3.+(√5+√7)²/2-5-7
=(2-6√2+(5+2.√7√5+7))/-10
=(14-6√2+2√35)/-10
=(7-3√2+√35)/-5
=(3√2-7-√35)/5
SUERTE!!!!!
Respuesta:
Explicación paso a paso:
17.47959158
