Find the real numbers a and b if (a - b) + (a + b)i = 2… | StemPy Lab

Help Contact For teachers and institutes

Mock Tests Classes

StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

Physics
Chemistry
Mathematics
Biology
Python Programming
Statistics & Data Science
Classes
Groups

Practice

Problems
Quizzes
Mock Tests
Prepare for an Exam
Question Sets
Exams
Certificates
Python Labs
AI Practice Generator
Student-Created Tests

Community

Discussions
Resources
Notes
Blog

Account

Dashboard
My Content
Profile
Log in

© 2026 senLearn. All rights reserved.Help About Contact Privacy Policy Terms of Use Refund Policy

Find the real numbers a and b if (a - b) + (a + b)i = 2… | StemPy Lab

Quizzes
Find the real numbers a and b if (a - b) + (a + b)i = 2 + 8i.

MathematicsEasyHigh School (11–12)Algebra › Complex Numbers Algebra › Algebraic Identities and Factorisation A-Level Board Exam IB

Created by StemPy Lab

Find the real numbers $a$ and $b$ if $(a - b) + (a + b)i = 2 + 8i$ .

← All Quizzes

← What is the imaginary part of (6 - i)(2 + 3i)?Express (3 + i)² - (3 - i)² in the form a + ib. →

More onAlgebra › Complex Numbers Algebra › Algebraic Identities and Factorisation

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

The points z of the Argand plane for which (z - 1)/(z + i) is purely imaginary (its real part is…Advanced
Consider the quadratic equation z² - (3 + i)z + (2 + 2i) = 0 in the complex number z. Its…Advanced
Let z be any complex number with |z| = 1 and z ≠ ±1, and let z be its conjugate. Which of the…Advanced
The figure, which is not drawn to scale, shows a square ABCD in the Argand plane, with its corners…Hard
The complex number z moves so that |z - 3 - 4i| = 2. What is the greatest value of |z + 1 - i|?…Hard

All questions on this topic →

Problems on this topic

Let z = (√3 + i)/(1 + i). Use the principal argument, in degrees, in (-180°, 180°]…Advanced
In the Argand plane, the points z with |z - 2i| = 2 |z + 1| lie on a circle…Hard
Let z₁ = 3 + 4 i and z₂ = 1 - 2 i. Give angles in degrees, and use the principal argument, which…Medium
The equation x² + px + q = 0 has real p and q…Hard

All problems on this topic →