The variables u and v take positive values such that 1/u + 1/v = 1/20. If s = u + v, find the least value of s as u varies. Thanks

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- June 6th 2009, 07:19 AMpuggieDifferentiation Problem!
The variables u and v take positive values such that 1/u + 1/v = 1/20. If s = u + v, find the least value of s as u varies. Thanks

- June 6th 2009, 07:40 AMProve It
- June 6th 2009, 07:44 AMskeeter
- June 6th 2009, 09:43 AMHallsofIvy