Sympy Integration

[Flexico]

I did the same thing you did, with the exception of "init_printing()". Here, I started from scratch again:

Python 2.7.12 (default, Nov 19 2016, 06:48:10) 
[GCC 5.4.0 20160609] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from sympy import *
>>> x = symbols("x")
>>> integrate(sin(x**2),x)
3*sqrt(2)*sqrt(pi)*fresnels(sqrt(2)*x/sqrt(pi))*gamma(3/4)/(8*gamma(7/4))

My OS is Linux Mint 18, and I installed python and sympy from the terminal with "sudo apt-get install python python-sympy". I don't know how to check Sympy's version. I have Sympy 0.7.6.1-1

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Same thing happens in Python 3:

Python 3.5.2 (default, Nov 17 2016, 17:05:23) 
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from sympy import *
>>> x = symbols("x")
>>> integrate(sin(x**2),x)
3*sqrt(2)*sqrt(pi)*fresnels(sqrt(2)*x/sqrt(pi))*gamma(3/4)/(8*gamma(7/4))