2x-3y-4z-1-min-1-x-1-y-1-z-

Question Number 115888 by Fikret last updated on 29/Sep/20

2 x + 3 y + 4 z = 1 \Rightarrow m i n (\frac{1}{x} + \frac{1}{y} + \frac{1}{z})

Commented by mr W last updated on 29/Sep/20

l e t 3 y + 4 z \to 1

\Rightarrow 2 x + 1 \to 1

\Rightarrow x \to 0

(\frac{1}{x} + \frac{1}{y} + \frac{1}{z}) \to \infty o r - \infty

\Rightarrow n o m a x i m u m o r m i n i m u m!

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