Differentiate y^3 + 3y^2 + 5
When you differentiate, you multiply by the old power and decrease the power by 1. If the expression has a constant in it, this differentiates to 0.
So the answer is 3y^(3-1) + (3x2)y^(2-1) + 0 = 3y^2 +6y
CH
Related Maths A Level answers
All answers ▸How do we know which formulas we need to learn for the exam?
How to differentiate y = xcos(x)
Three forces, (15i + j) N, (5qi – pj) N and (–3pi – qj) N, where p and q are constants, act on a particle. Given that the particle is in equilibrium, find the value of p and the value of q. (Mechanics 1 June 2017)
(Using the Quotient Rule) -> Show that the derivative of (cosx)/(sinx) is (-1)/(sinx).