How do i prove this?

If x > 0, y > 0, prove that x + y ≥ 2√¯¯xy.

Thanks.

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- December 15th 2009, 09:55 AMDetanonAlgebraic proof
How do i prove this?

If x > 0, y > 0, prove that x + y ≥ 2√¯¯xy.

Thanks. - December 15th 2009, 10:33 AMPlato