Quadratic EquationHard
Question
If x1, x2, .........xn are any real numbers and n is any positive integer, then
Options
A.

B.

C.

D.None of these
Solution
Since, x1, x2, .........xn are positive real numbers,
∴ Using n th power menan inequality

⇒

∴ Using n th power menan inequality

⇒


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