Answers>Maths>IB>Article

Let g (x) = 2x sin x . (a) Find g′(x) . (b) Find the gradient of the graph of g at x = π .

a)   f'(x)=uv'+vu'     if    f(x)= uv

u=2x  u'=2  v=sin(x)   v'=cos(x)

g'(x)=2x cos(x) +2sin(x)

b)   g'(π) = 2π cos(π)+2sin(π)  = 2 π (-1) + 2 (0)

      g'(π) = -2π

MB
Answered by Matias B. Maths tutor

10016 Views

See similar Maths IB tutors

Related Maths IB answers

All answers ▸

Find the constant term in the binomial expansion of (3x + 2/(x^2))^33


How does proof by induction work?


In the arthmetic sequence, the first term is 3 and the fourth term is 12. Find the common difference (d) and the sum of the first 10 terms.


Find the coordinates that correspond to the maximum point of the following equation: y = −16x^2 + 160x - 256


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 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences