Question

Quanto é √ 78,3 / 82 por 3

Answer 1

$\sqrt{\frac{78,3}{82}} \div 3 = \sqrt{\frac{783}{820}} \times \frac{1}{3} = \sqrt{\frac{3^2\times 3\times 29 }{82}} \times \frac{1}{3}  = 3\sqrt{\frac{87 }{82}} \times \frac{1}{3} =  \sqrt{\frac{87 }{82}} = \frac{ \sqrt{87} }{\sqrt{82}}= \frac{\sqrt{87}\times \sqrt{82}}{\sqrt{82}\times \sqrt{82}}=\frac{\sqrt{7134}}{82}$