Question

4)O valor da expressão 3√ 12 . 3√6 é:

( )6 √72
( )9√18
( )16 √12
( )15 √2
( )54 √2

Answer 1

Oie, Td Bom?!

$3 \sqrt{12} \times 3 \sqrt{6}$

$3 \times 2 \sqrt{3} \times 3 \sqrt{6}$

$18 \sqrt{3} \sqrt{6}$

$18 \sqrt{3 \times 6}$

$18 \sqrt{18}$

$18 \sqrt{3 {}^{2} \times 2 }$

$18 \sqrt{3 {}^{2} } \sqrt{2}$

$18 \times 3 \sqrt{2}$

$54 \sqrt{2}$

Att. Makaveli1996