Asked by Anonymous
If r and s are natural numbers, then 1/2(r+s)≥√rs
Answers
Answered by
oobleck
read up on arithmetic and geometric means
hint: square both sides
r^2 + 2rs + s^2 ≥ 4rs
and your way should be clear
hint: square both sides
r^2 + 2rs + s^2 ≥ 4rs
and your way should be clear
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