- 9th
- Maths
- Number Systems
- Re-Introduction to Number

Number Systems

Maths

Class 9

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ExampleDefinitionsFormulaes

$(9)$

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Let $x$ be a non-zero real number such that $x_{4}+x_{4}1 $ and $x_{5}+x_{5}1 $ are both rational numbers, then $x+x1 $ is a rational number.

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State whether true or false.

$72 $ is an irrational number.View Answer

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