Question

Rationalise the denominator and simplify the square root of 15 over the square root of 5​

Answer 1

`√(3)`

Explanation:

`(√(15) )/(√(5) )`

to rationalise the denominator multiply numerator/ denominator by
`√(5)`

=
`(√(15) )/(√(5) )` ×
`(√(5) )/(√(5) )`

=
`(√(75) )/(5)`

=
`(√(25(3)) )/(5)`

=
`(5√(3) )/(5)`

=
`√(3)`