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a,b,c belongs R and a2+b2+c2 =1 then the maximum value of ab+bc+ca

a,b,c  belongs R and a2+b2+c2 =1 then the maximum value of ab+bc+ca

Grade:12

1 Answers

Chetan Mandayam Nayakar
312 Points
10 years ago

ab+bc+ca=(1/2)((a+b+c)2-(a^2 +b^2+c^2)), use AM GM inequality

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