Express 1/(x(1-3x)) in partial fractions.

1/(x(1-3x))= A/x+ B/(1-3x) 1= A(1-3x) + B(1-3x)

when x=0    1=A

when x= 1/3     1=B/3 so B=3

1/(x(1-3x))= 1/x + 3/(1-3x)

LB
Answered by Laura B. Maths tutor

8741 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Find the indefinite integral of x^8*ln(3x) using integration by parts


How do you derive the quadratic formula?


Differentiate the function f(x) = (x^2 - 1)^3


Given that y = exp(2x) * (x^2 +1)^(5/2), what is dy/dx when x is 0?


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