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Question
Find whether the variable u represents a rational or an irrational number:
`u^2 = 17/4`
Sum
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Solution
`u^2 = 17/4`
On solving, we get
⇒ `u = +- sqrt(17)/2`
`sqrt(17)` is irrational.
Hence, u is an irrational number
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Chapter 1: Number Systems - Exercise 1.3 [Page 9]
