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September 20, 2014

September 20, 2014

Posted by **David** on Friday, October 9, 2009 at 9:27am.

- Math -
**Reiny**, Friday, October 9, 2009 at 9:41amlet one number be x

let the other be 100-x

let the sum of their squares be S

S = x^2 + (100-x)^2

find dS/dx

set that equal to zero and solve for x

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