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Question
In the following equation, find which variables x, y, z etc. represent rational or irrational number:
w2 = 27
Solution
Given that w2 = 27
Now we have to find the value of w
`rArrw=sqrt27`
`rArrw=sqrt(3xx3xx3)`
`rArr w=3sqrt3`
So it is an irrational number
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