ider the equation: $x^2+4y^2=7+3xy.$

a$)$ Find an expression for $\frac{dy}{dx}$ in terms of $x$ and $y.$

b$)$ Write an equation of the line tangent to the point $(3,2).$

c$)$ Use converge to graph the curve and your tangent line on the same

coordinate axes. Copy the graph here.