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UPSC NDA I 2011 Mathematics Paper
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© examsnet.com
Question : 19
Total: 120
What is the set of points
(
x
,
y
)
satisfying the equations
x
2
+
y
2
=
4
and
x
+
y
=
2
?
{
(
2
,
0
)
,
(
−
2
,
0
)
,
(
0
,
2
)
}
{
(
0
,
2
)
,
(
0
,
−
2
)
}
{
(
0
,
2
)
,
(
2
,
0
)
}
{
(
2
,
0
)
,
(
−
2
,
0
)
,
(
0
,
2
)
,
(
0
,
−
2
)
}
Validate
Solution:
© examsnet.com
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