The expression $\frac{1}{3}x^{2}-2$ can be rewritten as $\frac{1}{3}(x-k)(x+k)$, where $$k$ is a positive constant. What is the value of $$k$}?

Mashaal Masha

Feb 21, 2024

The expression $\frac{1}{3}x^{2}-2$ can be rewritten as $\frac{1}{3}(x-k)(x+k)$, where $k$ is a positive constant. What is the value of $k$?

Difficulty: Hard

$2$

$6$

\sqrt{2}

\sqrt{6}

ID: 65d5b1e1dbc6daab1c0be5df