1786
2014-06-05 07:18:02
2
http://en.wikipedia.org/wiki/Derivative
The above expression (dy/dx) is read as "the derivative of y with respect to x", "d y by d x", or "d y over d x". The oral form "d y d x" is often used conversationally, although it may lead to confusion.
dx분의 dy로도 읽습니다. ebs선생님들도 많이 그렇게 읽고요.