Lemma
DeepArithmetic of ℂ
OpenStax, Algebra and Trigonometry 2e §2.4 Complex Numbers · Exercise 73 · Complex Numbers · Arithmetic of ℂ

Complex Numbers · Exercise 73

Evaluate the expressions, writing the result as a simplified complex number.

Its source prints no answer for this problem, so there's nothing to check against.

~11 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §2.4 Complex Numbers · Exercise 73

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.