Question

√8x√18

mandem passo a passo pfvr​

Answer 1

Resposta:

Explicação passo-a-passo:

√8.√18=√8.18=√144=12

Ou

$\displaystyle \sqrt{8} .\sqrt{18} =\sqrt{2^3} .\sqrt{2.3^2}= (2^3)^{\frac{1}{2}}.(2.3^2)^{\frac{1}{2}}=2^{\frac{3}{2}}.2^{\frac{1}{2} }.3^{\frac{2}{2} }=2^{\frac{3+1}{2}}.3^1=2^{\frac{4}{2} }.3=2^2.3=4.3=12$