Error in lines 4-4
Traceback (most recent call last):
File "/projects/4a5f0542-5873-4eed-a85c-a18c706e8bcd/.sagemathcloud/sage_server.py", line 841, in execute
exec compile(block+'\n', '', 'single') in namespace, locals
File "", line 1, in <module>
File "/usr/local/sage/sage-6.3.beta6/local/lib/python2.7/site-packages/sage/misc/functional.py", line 799, in integral
return x.integral(*args, **kwds)
File "expression.pyx", line 10182, in sage.symbolic.expression.Expression.integral (build/cythonized/sage/symbolic/expression.cpp:44845)
File "/usr/local/sage/sage-6.3.beta6/local/lib/python2.7/site-packages/sage/symbolic/integration/integral.py", line 699, in integrate
return definite_integral(expression, v, a, b)
File "function.pyx", line 914, in sage.symbolic.function.BuiltinFunction.__call__ (build/cythonized/sage/symbolic/function.cpp:8891)
File "function.pyx", line 504, in sage.symbolic.function.Function.__call__ (build/cythonized/sage/symbolic/function.cpp:5761)
File "/usr/local/sage/sage-6.3.beta6/local/lib/python2.7/site-packages/sage/symbolic/integration/integral.py", line 173, in _eval_
return integrator(*args)
File "/usr/local/sage/sage-6.3.beta6/local/lib/python2.7/site-packages/sage/symbolic/integration/external.py", line 21, in maxima_integrator
result = maxima.sr_integral(expression, v, a, b)
File "/usr/local/sage/sage-6.3.beta6/local/lib/python2.7/site-packages/sage/interfaces/maxima_lib.py", line 788, in sr_integral
self._missing_assumption(s)
File "/usr/local/sage/sage-6.3.beta6/local/lib/python2.7/site-packages/sage/interfaces/maxima_lib.py", line 988, in _missing_assumption
raise ValueError(outstr)
ValueError: Computation failed since Maxima requested additional constraints; using the 'assume' command before evaluation *may* help (example of legal syntax is 'assume((b-a)*(b+a)
>0)', see `assume?` for more details)
Is (b-a)*(b+a)
positive, negative or zero?