Inequality 7320
Let a, b, and c be positive real numbers whose sum is 3, each of which is at most 2.
Prove that the inequality holds:
a2 + b2 + c2 + 3abc <9
Prove that the inequality holds:
a2 + b2 + c2 + 3abc <9
Correct answer:
You need to know the following knowledge to solve this word math problem:
- algebra
- inequalities
- expression of a variable from the formula
- arithmetic
- comparing
- basic functions
- reason
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Grade of the word problem:
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