Question

Radicais de índices

A). 2√3.3√5.7√3

B). √4.64.√49

C). 2√2.√36

D). 2√27.5√6

Answer 1

$a) \ 2\sqrt3*3\sqrt5*7\sqrt3=2*3*7*\sqrt9*\sqrt5=42*3*\sqrt5=126\sqrt5\\ \\ b) \ \sqrt{4*64}*\sqrt{49}=\sqrt4*\sqrt{64}*\sqrt{49}= 2*8*7=112\\ \\ c) \ 2\sqrt2*\sqrt{36}=2\sqrt2*6=12\sqrt2\\ \\ d) \ 2\sqrt{27}*5\sqrt6=10\sqrt{27*6}=10\sqrt{162}$