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At most - equality (Posted on 2017-03-06) Difficulty: 2 of 5
Prove:
For any real numbers a,b,c
ab + bc + ac does not exceed a^2+b^2+c^2

No Solution Yet Submitted by Ady TZIDON    
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  Subject Author Date
SolutionsolutionPaul2017-03-06 08:45:57
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