Question

If $\frac{y}{3}=\frac{3}{y}$, then the positive value of $y$ is.

• A. 3
• B. -3
• C. 2
• D. 4

Answer 1

The correct option is A 3

Given that,
$\frac{y}{3}=\frac{3}{y}$

Now, using cross multiplication,
$\Rightarrow y^2=9$
$\Rightarrow y=+3or-3$

$\therefore$ The positive value of $y$ is +3.