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# In the Following Equation, Find Which Variables X, Y, Z Etc. Represent Rational Or Irrational Number: W2 = 27 - CBSE Class 9 - Mathematics

ConceptIrrational Numbers

#### 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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Solution In the Following Equation, Find Which Variables X, Y, Z Etc. Represent Rational Or Irrational Number: W2 = 27 Concept: Irrational Numbers.
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