Let F(x, Y) = $\sqrt { x ^ { 2 } + y ^ { 2 } }$

Short Answer

Let f(x, y) = $\sqrt { x ^ { 2 } + y ^ { 2 } }$ . Compute $\frac { \partial f } { \partial x }$ at (3, 4).
Enter just a reduced fraction $\frac { a } { b }$ .