The equation of a curve is #y= 2x^3 -6x +5#a).Determinei).The gradient function of the curve.ii).The coordinates of two stationary points of the curve.b).Identify which is a maxima and which is a minima.c).Sketch the curve #y = 2x^3 -6x+5#.d).Find the equation of the tangent to the curve at the point (2, 9) in the form y =mx +c.