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CBSE Class 8 Answered

3y-1/3y=7 9 y to the power of 2 space end exponent+fraction numerator 1 over denominator 9 y squared end fraction=?
Asked by rishabh agnihotri | 13 Mar, 2015, 08:01: PM
answered-by-expert Expert Answer

begin mathsize 18px style 3 y minus fraction numerator 1 over denominator 3 y end fraction equals 7 S q u a r r i n g comma open parentheses 3 y minus fraction numerator 1 over denominator 3 y end fraction close parentheses squared equals 7 squared 9 y squared minus 2 cross times 3 y cross times fraction numerator 1 over denominator 3 y end fraction plus fraction numerator 1 over denominator 9 y squared end fraction equals 49 9 y squared minus 2 plus fraction numerator 1 over denominator 9 y squared end fraction equals 49 9 y squared plus fraction numerator 1 over denominator 9 y squared end fraction equals 51 end style

Answered by | 16 Mar, 2015, 06:18: PM
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