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Question
`sqrt(27) + sqrt(12)` =
Options
`sqrt(39)`
`5sqrt(6)`
`5sqrt(3)`
`3sqrt(5)`
Solution
`3sqrt(5)`
Explanation;
Hint:
`sqrt(27) + sqrt(12) = sqrt(9 xx 3) + sqrt(3 xx 4)`
= `3sqrt(3) + 2sqrt(3)`
= `5sqrt(3)`
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