Comment #19 on issue 1985 by smichr: as_real_imag() gives wrong answer when
expanding quotient
http://code.google.com/p/sympy/issues/detail?id=1985
re and im are the simplistic functions and as_real_imag the smart one(s) as
it says in the docstring:
'''Performs complex expansion on 'self' and returns a tuple
containing collected both real and imaginary parts. This
method can't be confused with re() and im() functions,
which does not perform complex expansion at evaluation.'''
So I believe the result of comment 1 is the correct one and as_real_imag
shouldn't be deprecated. In any case, the fix of 1725 is still available
and it gives the result of 1 as shown in comment 8. I'll be working more on
t2 this coming week during break.
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