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CBSE Class 9 Answered

If a +b+c =0 then 1/2(a2/bc + b2/ac+c2/ab) is
Asked by ankitkumarlovehisfamily | 27 May, 2019, 02:35: PM
answered-by-expert Expert Answer
begin mathsize 16px style We space know space that space if space straight a space plus space straight b space plus space straight c space equals space 0 space then space straight a cubed space plus space straight b cubed space plus space straight c cubed space equals 3 abc rightwards double arrow fraction numerator straight a cubed space plus space straight b cubed space plus space straight c cubed over denominator abc end fraction space equals space 3 rightwards double arrow straight a squared over bc space plus space straight b squared over ac space plus space straight c squared over ab space equals space 3 Divide space both space the space sides space by space 2 comma space we space get rightwards double arrow 1 half open parentheses straight a squared over bc space plus space straight b squared over ac space plus space straight c squared over ab close parentheses space equals space 3 over 2 end style
Answered by Yasmeen Khan | 27 May, 2019, 03:38: PM

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