Question

Questão 02 - Qual o valor de n, na expressão vn +3, para que a raiz seja exata?
$\sqrt{vn \:+ 3}$

A) 3
B) 4
C) 5
D) 6​

Answer 1

$\large\boxed{\begin{array}{l}\rm\sqrt{vn+3}=3\\\rm \sqrt{vn+3}^2=3^2\\\rm vn+3=9\\\rm vn=9-3\\\rm vn=6\\\huge\boxed{\boxed{\boxed{\boxed{\rm\dagger\red{\maltese}~\blue{alternativa~D}}}}}\end{array}}$

Answer 2

Boa Madrugada

$\sqrt{vn + 3}$

$\sqrt{6 + 3}$

$\sqrt{9}$

3

Alternativa D ✅

Espero ter ajudado ☆