Σ
Lemma
Problem
Walkthrough
Solutions
1
Discuss
Easy
Analytic functions
#466 · Complex Analysis · Analytic functions
Harmonic or not?
Is
u
(
x
,
y
)
=
x
2
+
y
2
harmonic?
~3 min
Answer checked instantly
Analytic functions
Stuck? A gentle nudge
Reveal a hint
▶ Step-by-step walkthrough
See solutions
Something off?
The answer looks wrong
The approach needs review
Workspace
Write
Preview
Sketch
Your answer
Yes
No
Show your working
Scratch space, a sketch pad, and a full check of handwritten or typed solutions
See solutions
Sign in to share