Geometrically Rolle's theorem ensures that there is at least one point on the curve f(x) , whose abscissa lies in (a, b) at which the tangent is
Parallel to the line joining the end points of the curve
Parallel to the line y = x
Parallel to the x axis
Parallel to the y axis
Geometrically the Mean Value theorem ensures that there is at least one point on the curve f(x) , whose abscissa lies in (a, b) at which the tangent is