Mariam6608 Mariam6608

29-11-2017
Mathematics

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The sum of two positive numbers is 42. What is the smalles possible value of the sum of their squares?

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chudung1976 chudung1976

30-11-2017

Okie, it is not too hard.
Set these numbers a and b, notice a, b positive.
We have a+b=42.
You can see the next on my photo

Or you can use the formula of Cauchy

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