If f(x)=7xe^x, find f'(x)

f(x) = 7xexUsing the product rule: [f'(x)=u*(dv/dx)+ v*(du/dx)]Let u=7x and v=exTherefore, du/dx=7 and dv/dx=exHence, f'(x) = 7xex + 7ex

LM
Answered by Lanya M. Maths tutor

4033 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

The equation of a curve is xy^2= x^2 +1. Find dx/dy in terms of x and y, and hence find the coordinates of the stationary points on the curve.


Matthew gets £100 for his 16th birthday and chooses to invest the money into a bank with a 2% annual interest rate. By which birthday will Matthew have more than £150 in his account?


How do I differentiate y=(4+9x)^5 with respect to x?


Find the exact gradient of the curve y=ln(1-cos2x) at the point with x-coordinate π/6


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