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Hello Everyone,
Thanks in advance for your hint.
Best Regards.
Solved! Go to Solution.
http://www.wolframalpha.com/input/?i=integrate+%2815x^2%2B1%29%2F%2815x^3-15x^2%2B6x-1%29
this help you and
http://communities.ptc.com/message/200055#200055
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