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

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

The sum of two positive numbers is 42. What is the smalles possible value of the sum-example-1
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User Md Yeasin Arafat
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