Show (2-3i)^3 can be expressed in the form a+bi where a and b are negative integers.

(2-3i) x (2-3i) = -5-12i.  -5-12i x (2-3i) = -46-9i.  a=-46, b=-9

Answered by William N. Maths tutor

3609 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Differentiate the function f(x) = 3x^2/sin(2x)


Rewrite ... logF=logG+logH−log(1/M)−2*logR ... in the form F=... using laws of logarithms


The curve C has the equation: y=3x^2*(x+2)^6 Find dy/dx


A curve has equation y = 20x −x2 −2x3 . (A) Find the x-coordinates of the stationary points of the curve.


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