Evaluate $\iint _ { R } \frac { 1 } { x } d A$

Essay

Evaluate $\iint _ { R } \frac { 1 } { x } d A$ , where R is the region bounded by the curves $x ^ { 2 } + y ^ { 2 } = 1$ , $y = x$ , $x = 2$ , and $y = 0$ .