[填空题]
A curve has equation se1.*v(pm cv slju .1r ),i(s gy12i4jtkvy zk $2 y^{2} e^{x+1}-5 x^{2}=3$ .
1. Find an expression for $\frac{\mathrm{d} y}{\mathrm{~d} x}$ in terms of x and y .
2. Find the equations of the tangents to this curve when x=-1 . y = $\pm$ m = $\pm$
