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Classify the Following Number as Rational Or Irrational :- 7.478478... - Mathematics

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Classify the following number as rational or irrational :-

7.478478...

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Solution

Given 7.478478.........

7.478478..........=7.bar478

The decimal expansion is non-terminating recurring

∴ 7.478478..........  is a rational number.

Concept: Real Numbers and Their Decimal Expansions
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APPEARS IN

RD Sharma Mathematics for Class 9
Chapter 1 Number Systems
Exercise 1.4 | Q 3.13 | Page 31
NCERT Class 9 Maths
Chapter 1 Number Systems
Exercise 1.3 | Q 9.4 | Page 14

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