[填空题]
The values of the funct0fw zx8( vkj+g ro4b qx5l*0dajq/r2d ions f and g and their derivatives for x=3 and x=7 are shown in the following tj dl0* a2or54x qbqrd/able.
Let h(x)=f(x)g(x).
1.Find h(3)=- .
2.Find the equation of the normal to h when x=7.
y=-$\frac{a}{b}$x+$\frac{c}{d}$ ; a= ,b= , c= , d= .