If the complex number z = 5 + 4i, work out 1/z.

1/(5 + 4i) * (5 - 4i)/(5 - 4i) = (5 - 4i)/41

OG
Answered by Odin G. Further Mathematics tutor

3249 Views

See similar Further Mathematics A Level tutors

Related Further Mathematics A Level answers

All answers ▸

How would you use the Integration Factor method to solve an ordinary first-order linear differential equation?


A particle is launched from the top of a cliff of height 87.5m at time t=0 with initial velocity 14m/s at 30 deg above the horizontal, Calculate: a) maximum height reached above bottom of cliff; b)horizontal distance travelled before hitting the ground.


Why is the argument of a+bi equal to arctan(b/a)?


Integrate the function f(x) = x ln (x) over the interval [1,e].


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