The differential equation is
.
Initial function is
.
Perform Euler
s method for
.
Step size is
.
Euler
s Method :
Using
,
,
and
.
\


Substitute
,
,
and 

Substitute
,
,
and
Simillarly,
\





.
(b)
\The differential equation is
.
Rewrite the function.
\ 
Apply integral on each side
\
Integral formula:
.
Power rule of integration:
.

Apply exponential on each side
\
Substitute
in the integral function.

Substitute
in the integral function.

Substitute
in the above equation.
(c)
\Find error.
\The value of particular solution at
using Eulers method is
.
The value of the particular solution at
is
.
Error is
.
(a) The value of particular solution at
using Eulers method is
.
(b) The value of the particular solution at
is
.
(c) Error is
.