The expression is
(Replace k with 0.25 in original expression)
(Multiply: )
The value of the expression is .
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a90e6dca2e7b07c3f74b790c9c2a4efe.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ac0caea64cd8bd5aeaadc168e6fd3ed9.png\")
(Replace k with 0.25 in original expression)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f3fc3fa220fdfee641afe3f0daf89e2d.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b22fba1d090238b24749d8abaed460f9.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f3fc3fa220fdfee641afe3f0daf89e2d.png\")
.