# If 2 curves #y=kx^n# and #y=lnx# have the same gradient exactly at x=a, find the relationship between a, k and n? Also, if these 2 curves also intersect at the point x=a, express k in terms of n?

##### 1 Answer

Oct 12, 2016

#### Explanation:

The two intersect at x = a..

So, the common

At this common point, y' is said to be the same.. So,

.. .