Find the turning points of the curve y = 3x^4 - 8x^3 -3

Differentiate to get:dy/dx = 12x^3 -24x^2Factorise and set equal to 0:12x^2(x-2) = 0Solve to get x = 2 and x =0.

DC

Related Maths A Level answers

All answers ▸

How do you integrate by parts?


We have the curve f(x) = (x^2-5x)(x-1)+ 3x. Sketch the graph y=f(x), making sure to plot the co-ordinates where the curve meets the axes.


Differentiate: tan(2x) cos(x)


The curve C has equation y = 3x^4 – 8x^3 – 3. Find dy/dx.