The function is
.
Differentiate on each side with respect to
.


Newtons approximation method formula :
.
.
Newtons Formula : 

.
Perform newton approximation for
.
Newtons formula :
.

Perform newton approximation for
.
Newton formula :
.
.
Perform newton approximation for
.
Newton formula :
.
Graph :
\Draw a coordinate plane.
\Graph the function
.

Observe the graph.
\The function touches the
-axis at
.
Hence the zero of the function is
.
Zero of the function is
.