y = x lnx
dy/dx = x(1/x) + lnx (1) = 1 + lnx
slope of tangent , m = (dy/dx) at (e,e) = 1 + ln(e) = 1 + 1 = 2
equation of tangent at (e,e) is
(y - y1) = m (x-x1)
y - e = 2(x-e)
or y = 2x - e
other examples
equation of tangent to y =x^4 at the point where x=2
-----------------------------------------------------------
please leave your comments below
------------------------------------------------------------
index of math problems
disclaimer:
There is no guarantee about the data/information on this site. You use the data/information at your own risk. You use the advertisements displayed on this page at your own risk.We are not responsible for the content of external internet sites. Some of the links may not work
No comments:
Post a Comment
please leave your comments