The binomial coefficient is .
(Apply formula: )
(Cancel common terms)
The value of the binomial coefficient is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6685694297e36eb93b1434f0f85f1758.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=16f05fcf0745a38f4f90963d957f0837.png\")
(Apply formula: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0c66161644bbb4965f1ee64a459003ab.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0beac6d6a6f2a53c292c161fdfed7bdc.png\")
(Cancel common terms)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0028863f6b4d95fd9fd876af489bbf90.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4af2c0a904ef60f04447fb5bd0637876.png\")
.