engineering recuitment GATE ECE 2023-24 Test Series Engineering Mathematics Calculus Maxima & Minima
If a function f(x, y, z) = x + y + z is subjected to \(\frac{1}{x} + \frac{1}{y} + \frac{1}{z} = 1 \)
1
Maximum value of f(x, y, z) is 9
2
Maximum value of f(x, y, z) is 1
3
(-3, 3, 1) is a Stationary point
4
(3, 3, 3) is a Stationary point