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CBSE Class 9 Answered

Rationalise the denominator of the following 1/√7-√6
Asked by arorareeta537 | 15 Jan, 2021, 08:33: PM
answered-by-expert Expert Answer
begin mathsize 16px style fraction numerator 1 over denominator square root of 7 minus square root of 6 end fraction equals fraction numerator 1 over denominator square root of 7 minus square root of 6 end fraction cross times fraction numerator square root of 7 plus square root of 6 over denominator square root of 7 plus square root of 6 end fraction equals fraction numerator square root of 7 plus square root of 6 over denominator open parentheses square root of 7 close parentheses squared minus open parentheses square root of 6 close parentheses squared end fraction equals fraction numerator square root of 7 plus square root of 6 over denominator 7 minus 6 end fraction equals square root of 7 plus square root of 6 end style
Answered by Yasmeen Khan | 16 Jan, 2021, 11:09: PM

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