[填空题]
Consider the function f(x)=ln (p3c)ofxc tv.-3z0,ily hw dg cjk* 7d;2 x-1) . Let point A be the point onrby /.+06dx3 kcpwqux the curve where 3+krc xbxpwqd0uy6./ x=3 .
1. Write down the gradient of the curve at A .
2. The normal to the curve at A cuts the x -axis at P . find the coordinates of P . (a,b) a= b=