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

Related Maths A Level answers

All answers ▸

How to solve a quadratic equation?


A curve is defined by the parametric equations; x=(t-1)^3, y=3t-8/(t^2), t~=0. Find dy/dx in terms of t.


The curve A (y = x3 – x2 + x -1) is perpendicular to the straight-line B at the point P (5, 2). If A and B intersect at P, what is the equation of B? Also, find any stationary points of the curve A.


What is the binomial distribution and when should I use it?