13×13×13+7×7×7/13×13-13×7+7×7

Asked by mayureshwani91.9dgatl | 4th Nov, 2020, 06:55: PM

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 | 8th Nov, 2020, 02:29: PM