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robinjean
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The sum of two nonnegative numbers is 20. Find the numbers if the sum of their squares is as large as possible; as small as possible.
 one year ago
 one year ago
robinjean Group Title
The sum of two nonnegative numbers is 20. Find the numbers if the sum of their squares is as large as possible; as small as possible.
 one year ago
 one year ago

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cinar Group TitleBest ResponseYou've already chosen the best response.1
x+y=20 A=x^2+y^2 A=x^2+(20x)^2 A=2x^240x+400 A'=4x40=0 x=10 y=10
 one year ago

cinar Group TitleBest ResponseYou've already chosen the best response.1
10^2+10^2=200 is min. 20^2+0^=400 max
 one year ago
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