Question

Evaluate:
$\sqrt[-]{9}$

"It is solved. The answer is 3. But I am thinking where the - will go. Me bhulakar has forgot the method."

Answer 1

Step-by-step explanation:

$\sqrt{9} \\ = \sqrt{3 \times 3} \\ = 3$

or

$\sqrt{9} \\ = {9}^{ \frac{1}{2} } \\ = { ({3}^{2}) }^{ \frac{1}{2} } \\ = {3}^{2 \times \frac{1}{2} } \\ = 3$