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| PAGE: 154 | SET: Exercises | PROBLEM: 1 |
The system of inequalities are 
and 
.
Graph:
Graph the inequalities 
and 
.
Observe the graph:
The region shaded in red colour is the intersection of inequalities and .
Test the solution at point 
.
Case (i):
(First equation)
(Substitute 
)
Case(ii):
(Second equation)
(Substitute )
(Subtract: 
)
.
Therefore, the region shaded contains the point 
.
Graph of the inequalities and is
The solution is region containing the point .
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