The integral equation is
.
(a)
\Consider the integrand as function
.
Graph the function
on interval
.

Observe the graph:
\
.
Substitute
in
.


.
The value of
is
.
(b)
\The integral is
.
Substitute
.
.
Consider the integrand as function
.
Graph:
\Graph the function
on
.
.
(a) The value of
is
.
(b)
\Graph of the function
on
is
.