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UPSC NDA II 2013 Mathematics Paper
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© examsnet.com
Question : 9
Total: 120
The foci of the hyperbola
4
x
2
−
9
y
2
−
1
=
0
are
(
±
√
13
,
0
)
(
±
√
13
6
,
0
)
(
0
,
±
√
13
6
)
None of the above
Validate
Solution:
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