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prove that 4{bc cosA/2+ cosB/2 +ab cos C/2} = (a+b+c)^2 prove that 4{bc cosA/2+ cosB/2 +ab cos C/2} = (a+b+c)^2
Dear studentAssume equation to be trueTo check the given question assume an equilateraltriangle of sides equal to 1 unit and see if LHS matches RHSyou will see it does notcontradictions never coexist, check the assumptionshence kindly repost acorrect question
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