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

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Correct option is A

Since G.M. ≤ A.M ∴ a+bc+d≤a+b+c+d2=22=1

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

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Ready to Test Your Skills?

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