Question

5
`\sqrt\frac15`+
`\frac12`
`\sqrt20`+
`\sqrt{5`

Answer 1

`3 √(5)`

Explanation:

`5 \sqrt{ (1)/(5) } + (1)/(2) * √(20) + √(5)`

`5 * (1)/( √(5) ) + √(5) + √(5)`

`(5)/( √(5) ) + √(5) + √(5)`

`√(5) + √(5) + √(5)`

`= 3 √(5)`