Question 115
Find all triples of positive real numbers $(a, b, c)$ so that the expression
$$
M=\frac{(a+b)(b+c)(a+b+c)}{a b c}
$$
gets its least value.
$$
M=\frac{(a+b)(b+c)(a+b+c)}{a b c}
$$
gets its least value.
MathNet 2020 — Math Olympiad Vault — Part 04 Question 115
Math Olympiad Vault · MathNet 2020 — Math Olympiad Vault — Part 04