2. Let C be the triangle with vertices (0,0), (3,0), and (0,4), oriented counter-clockwise.
Find the (outward) flux of \(\vec{F}(x, y) = \begin{pmatrix} x \\ 2y \end{pmatrix}\) across C by evaluating three line integrals.
(c) Flux across the side with vertices (0,0) and (0,4):