ICSE Class 9 Answered
Asked by shreyashkkulkarni.2007 | 13 Aug, 2021, 18:49: PM
TO rationalise the denominator
![fraction numerator square root of 15 plus square root of 3 over denominator square root of 15 minus square root of 3 end fraction
equals fraction numerator square root of 15 plus square root of 3 over denominator square root of 15 minus square root of 3 end fraction cross times fraction numerator square root of 15 plus square root of 3 over denominator square root of 15 plus square root of 3 end fraction
equals fraction numerator 15 plus 3 plus 2 open parentheses square root of 15 close parentheses open parentheses square root of 3 close parentheses over denominator 15 minus 3 end fraction
equals fraction numerator 18 plus 2 open parentheses square root of 3 square root of 5 close parentheses open parentheses square root of 3 close parentheses over denominator 12 end fraction
equals fraction numerator 18 plus 2 cross times 3 square root of 5 over denominator 12 end fraction
equals fraction numerator 18 plus 6 square root of 5 over denominator 12 end fraction
equals fraction numerator 3 plus square root of 5 over denominator 2 end fraction](https://images.topperlearning.com/topper/tinymce/cache/d16c79768ff59b501e5867103f8ee858.png)
Answered by Renu Varma | 16 Aug, 2021, 11:38: AM
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