# In the Following Equation, Find Which Variables X, Y, Z Etc. Represent Rational Or Irrational Number: U^2=17/4 - Mathematics

In the following equation, find which variables x, y, z etc. represent rational or irrational number:

u^2=17/4

#### Solution

Given that u^2=17/4

Now we have to find the value of u

u^2=17/4

rArru^2=sqrt(17/4)

rArru=sqrt17/2

So it is an irrational number

Concept: Concept of Irrational Numbers
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#### APPEARS IN

RD Sharma Mathematics for Class 9
Chapter 1 Number Systems
Exercise 1.4 | Q 5.4 | Page 31

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