SOLUTION: find two numbers whose difference is 13 and whose squares when added together yield a minimum

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Question 1005828: find two numbers whose difference is 13 and whose squares when added together yield a minimum
Answer by ikleyn(52794) About Me  (Show Source):
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These numbers are 6.5 and (-6.5):

6.5 - (-6.5) = 13.

6.5%5E2 + %28-6.5%29%5E2 = 2%2A6.5%5E2 = 2*42.25 = 84.5