If y=2x+4x^3+3x^4 and z=(1+x)^2, find dy/dx and dz/dx.

Differentiation dy/dx = 2+12x^2+12x^3
Chain ruleu = 1+xz=u^2dz/dx = dz/du * du/dx = 2u * 1 = 2(1+x)

Answered by Maths tutor

3801 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Find the gradient of the line Y = X^3 + X + 6 when X = 4


What is the gradient of y = xcos(x) at x=0?


Find all solutions of the equation in the interval [0, 2π]. 5 cos^3 x = 5 cos x


Find the values of x such that: (log3(81)+log2(32))/(log2(x)) = log2(x) (5 marks)


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning