The sum of positive 2 numbers is k. Show that the sum of their squares is at least (greater than or equal to) 1/2k^2.
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The sum of positive 2 numbers is k. Show that the sum of their squares is at least (greater than or equal to) 1/2k^2.
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Solution Summary
It is shown that the sum of the squares of two positive numbers (k) is at least (greater than or equal to) 1/2k^2.
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Suppose one positive number is x, then the other one is k-x because their sum is k.
So the sum of ...
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