A new township is to be constructed along the curve `y=x^3-11x+5`. Two attraction i.e., Amusement park and shopping mall is to be made on the this curve. At a point on the curve amusement park is to be constructed and on another point shopping mall is to be constructed at which tangent has the equation y=x-11.

What is the slope of tangent at the curve ?

Options

A. 3
B. 1
C. `-1`
D. `1/2`

Answer

B