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  • Classify the following numbers as rational or irrational: (ii) (3+ square root 23) - square root 23

1. Classify the following numbers as rational or irrational:

(ii)     \left ( 3+\sqrt{23} \right )-\sqrt{23}

 

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Given number is  \left ( 3+\sqrt{23} \right )-\sqrt{23}  

\Rightarrow \left ( 3+\sqrt{23} \right )-\sqrt{23} = 3+\sqrt{23}-\sqrt{23} = 3
Now, it is clearly a rational number because we can represent it in the form of  \frac{p}{q}

Posted by

Gautam harsolia

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