numbas/Numbas — Issue #74: Powers of complex numbers
Author: BillFoster
Created: 2011-10-31 10:10:38+00:00
State: open

(4-i)^2 was evaluated as 15+8i instead of 15-8i in MAS1042_20122013_CBA1.exam.
Baffled as e.g. $\var{(4-i)^2}$ is correct.