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CBSE Class 9 Answered

13×13×13+7×7×7/13×13-13×7+7×7
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Asked by mayureshwani91.9dgatl | 04 Nov, 2020, 06:55: PM
answered-by-expert Expert Answer
begin mathsize 16px style fraction numerator 13 cubed plus 7 cubed over denominator 13 squared minus 13 cross times 7 plus 7 squared end fraction equals fraction numerator open parentheses 13 plus 7 close parentheses open parentheses 13 squared minus 13 cross times 7 plus 7 squared close parentheses over denominator open parentheses 13 squared minus 13 cross times 7 plus 7 squared close parentheses end fraction space space....... open parentheses straight a cubed plus straight b cubed close parentheses equals open parentheses straight a squared minus space ab space plus straight b squared close parentheses equals space 13 plus space 7 equals space 20 end style
Answered by Yasmeen Khan | 08 Nov, 2020, 02:29: PM

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