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If a,b,cd are positive real numbers such that a+b+c+d=2,then M=(a+b)(c+d) saties fies the relation

a)0

c)2<=M<=3 d)none of these

Meghna Shrivastava , 13 Years ago
Grade 12
anser 1 Answers
Swapnil Saxena

Last Activity: 13 Years ago

Maybe the correct answer to this question is 5/9 <= M <=1 , (Using AM-GM inequalities).

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