Find the stream function for the vector field $F = -\frac{49y^{6}}{49}\boldsymbol{i}-\frac{25x^{4}}{25}\boldsymbol{j}$:
If C is a curve from the point P = $\left(3,4\right)$ to the point Q = $\left(2,5\right)$, then the flux across C is given by: