Find the coefficient of x^4 in the expansion of: x(2x^2 - 3x + 1)(3x^2 + x - 4)

Only the terms which will form the x4 term need to be considered:x * 2x2 * x + x * -3x * 3x2 = -7x4Therefore the answer is -7.

Answered by Finn H. Maths tutor

4030 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Find the integral of a^(x) where a is a constant


Binomially expand the equation (2+kx)^-3


Prove that (sinx + cosx)^2 = 1 + 2sinxcosx


Differentiate, y = 2x^3 + 2/x + 3


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2024

Terms & Conditions|Privacy Policy
Cookie Preferences