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CBSE Class 10 Answered

begin mathsize 22px style I f space a plus b plus c equals o space a n d space space space space space space left parenthesis p right parenthesis equals space fraction numerator a squared over denominator 2 a squared plus b c end fraction plus fraction numerator b squared over denominator 2 b squared plus a c end fraction plus fraction numerator c squared over denominator 2 c squared plus a b end fraction space space i s space d e f i n e d space space t h e n left parenthesis P right parenthesis equals ? end style
Asked by rmishrar156 | 16 Aug, 2018, 04:39: PM
answered-by-expert Expert Answer
begin mathsize 16px style fraction numerator straight a squared over denominator 2 straight a squared plus bc end fraction plus fraction numerator straight b squared over denominator 2 straight b squared plus ac end fraction plus fraction numerator straight c squared over denominator 2 straight c squared plus ab end fraction
straight a plus straight b plus straight c equals 0
straight a equals negative straight b minus straight c
ca equals negative bc minus straight c squared
2 straight b squared plus ca equals straight b squared minus straight c squared plus straight b squared minus bc
2 straight b squared plus ca equals negative left parenthesis straight b minus straight c right parenthesis left parenthesis straight a minus straight b right parenthesis
similarly space you space can space solve space it space for
2 straight a squared plus bc equals negative left parenthesis straight a minus straight b right parenthesis left parenthesis straight c minus straight a right parenthesis space and space 2 straight c squared plus ab equals negative left parenthesis straight c minus straight a right parenthesis left parenthesis straight b minus straight c right parenthesis
Put space it space in space LHS space and space solve space it space further space we space get space RHS space as space 1. end style
Answered by Sneha shidid | 17 Aug, 2018, 10:52: AM
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