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Question
Simplify.
`2 sqrt 48 - sqrt 75 - 1/ sqrt 3`
Solution
`2 sqrt 48 - sqrt 75 - 1/ sqrt 3`
`= 2 sqrt(16 xx 3) - sqrt (25 xx 3) - 1/sqrt 3 xx sqrt 3/sqrt 3`
`=2xx4sqrt3-5sqrt3-sqrt3/3`
`= 8 sqrt 3 -5sqrt 3 - sqrt3/3`
`= 3 sqrt 3 - sqrt 3/3`
`= (9 sqrt 3 - sqrt 3)/3`
`= 8/3sqrt3`
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