The system of equations are
and
.
Graph:
\Graph the equations
and
:
.gif\")
Observe the graph:
\The region which is not shaded in the intersection of inequalities
and
.
Test the solution at point
.
Case (i):
\
(First equation)
(Substitute
)
(Multiply)
(Add:
)
Case (ii):
\
(Second equation)
(Substitute
)
(Multiply)
(Subtract:
)
The solution is empty set.
\
Graph of the inequalities
and
is
.gif\")
The solution is empty set.