#2480 function abs has bug

open
nobody
None
5
2012-11-18
2012-10-18
Valery Lovchikov
No

abs(u-%e^(%i*t)) ^2 is not equal to (u-%e^(%i*t))^2,
but
(%i1) abs(u-%e^(%i*t)) ^2;
(%o1) (u-%e^(%i*t))^2

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