Not sure if it is a bug.
Expand((2mn)^2) should result in (m^2)(n^2).
since Expand((m^2+n^2)^2) can give m^4 + 2 * (m^2)* (n^2) + n^4
it's "normal" with mn without a least a space, mn is only one variable
syntax expand((2m n)²) or expand((2m*n)²)
Thank you Noel!Understand now.
Comments have been locked on this page!