What Point on the Surface $\frac { 1 } { x } + \frac { 1 } { y } + \frac { 1 } { z } = 1$

Short Answer

What point on the surface $\frac { 1 } { x } + \frac { 1 } { y } + \frac { 1 } { z } = 1$ , $x > 0$ , $y > 0$ , $z > 0$ is closest to the origin?