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chan8366
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[SOLVED] basic math proof by contradiction
prove: If a and b are positive numbers, a/b +b/a>=2
by contradiction (a^2+b^2)/ab<2 and got lost
Homework Statement
prove: If a and b are positive numbers, a/b +b/a>=2
Homework Equations
The Attempt at a Solution
by contradiction (a^2+b^2)/ab<2 and got lost