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# Radical: One Side with Constant

SATMAT-FOJVNG

What is the solution set for this equation?

$$\sqrt { 9n } =\sqrt { n } -2$$

A

$\emptyset$

B

$\left\{ \cfrac{1}{4} \right\}$

C

$\left\{ 1 \right\}$

D

$\left\{ \cfrac { 1 }{ 4 }, 1 \right\}$