Question

Which expression is equal to 5√2/√13

1. √65/2
2.√26/13
3.5√25/13
4.5√26/√13

Answer 1

5√26/13

Explanation:

5√2/√13 multiply the nominator and denominator by √13 to rationalize the denominator

5√2√13/√13√13 ( √13×√13=13)

5√26/13

there is answer in multiple choice but this is the correct one