The functions are and
.
Differentiate on each side with respect to .
.
Newtons approximation method formula:
.
.
Observe the graph of the function:
\Choose an initial estimate to be as close where
intersects
.
Consider .
Find .
Newtons formula:
.
.
Perform newton approximation for .
Newtons formula:
.
.
Perform newton approximation for .
Newtons formula:
.
.
Since two succesive approximations differ by less than ,
estimate that the functions and
intersect at
.
\
The functions and
intersect at
.