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Write a Pair of Irrational Numbers Whose Difference is Rational. - Mathematics

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Question

Write a pair of irrational numbers whose difference is rational.

Sum
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Solution

`(sqrt(5) - 3) and (sqrt(5) + 3)` are irrational numbers whose difference is rational.
Thus, we have
`(sqrt(5) - 3) - (sqrt(5) + 3)`
= `sqrt(5) - 3 - sqrt(5) - 3` 
= -6, which is a rational number.

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Chapter 1: Irrational Numbers - Exercise 1.2

APPEARS IN

Frank Mathematics [English] Class 9 ICSE
Chapter 1 Irrational Numbers
Exercise 1.2 | Q 5.4
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