The function is .
In the above function .
Thus, the only zeros of are only zeros of .
The statement is true.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=26488a141be7591d3d5912f16f605ee1.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ce56edb894e6eef6d768fc095760541d.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7638897a5bb9204998d7996637c7b50a.png\")
are only zeros of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9f8dd602e380fe480d50b678506f1c71.png\")
.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")