Answers>Maths>A Level>Article

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

3425 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

A matrix M has eigenvectors (3,1,0) (2,8,2) (1,1,6) with corresponding eigenvalues 1, 6, 2 respectively. Write an invertible matrix P and diagonal matrix D such that M=PD(P^-1), hence calculate M^5.

Answered by Cameron B.

Given that y = 16x + x^-1, find the two values of x for which dy/dx = 0

Answered by Sawdah H.

Differentiate y=(4x - 5)^5 by using the chain rule.

Answered by Joseph E.

Differentiate y = (3x^3+2x+7)/x^(1/2)

Answered by Joshua W.

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

Company Information

CareersBlogSubject answersBecome a tutorSchoolsSafeguarding policyFAQsUsing the Online Lesson SpaceTestimonials & pressSitemap

Popular Requests

Maths tutorChemistry tutorPhysics tutorBiology tutorEnglish tutorGCSE tutorsA level tutorsIB tutorsPhysics & Maths tutorsChemistry & Maths tutorsGCSE Maths tutors

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy|Cookie Preferences
CEOP logo
CLICK CEOP

Internet Safety

Sagepay logo

Payment Security

Cyber Essentials logo

Cyber

Essentials

Cookie Preferences