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CBSE Class 9 Answered

If√2=1.4142,then find the value of√√2-1/√2+1
Asked by ABHILASHA | 21 Jan, 2018, 09:29: PM
answered-by-expert Expert Answer
begin mathsize 16px style square root of fraction numerator square root of 2 minus 1 over denominator square root of 2 plus 1 end fraction end root equals square root of fraction numerator square root of 2 minus 1 over denominator square root of 2 plus 1 end fraction cross times fraction numerator square root of 2 minus 1 over denominator square root of 2 minus 1 end fraction end root equals square root of fraction numerator open parentheses square root of 2 minus 1 close parentheses squared over denominator 2 minus 1 end fraction end root equals square root of 2 minus 1 equals 1.4142 minus 1 space space space equals 0.4142 space space space space space space space space space space space space end style
Answered by Sneha shidid | 22 Jan, 2018, 09:18: AM

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