\
The integral is
.
\
Apply definition of special integrals:
.
\
.
\
\
.
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.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c99540746a1a90c06d50ce2039e601eb.png\")
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.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
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.