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ICSE Class 9 Answered

a+b+c=0,then proov a3+b3+c3=3abc
Asked by dr_pradip27121972 | 24 Aug, 2017, 09:43: AM
answered-by-expert Expert Answer
begin mathsize 16px style straight a cubed plus straight b cubed plus straight c cubed equals open parentheses straight a plus straight b plus straight c close parentheses open parentheses straight a squared plus straight b squared plus straight c squared minus ab minus bc minus ca close parentheses plus 3 abc If space straight a plus straight b plus straight c equals 0 rightwards double arrow straight a cubed plus straight b cubed plus straight c cubed equals 3 abc end style
Answered by Sneha shidid | 06 Dec, 2017, 11:07: AM

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