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WBJEE 2015 Math Solved Paper
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© examsnet.com
Question : 38
Total: 80
Number of intersecting points of the conic 4
x
2
+ 9
y
2
= 1 and 4
x
2
+
y
2
= 4 is
1
2
3
0
Validate
Solution:
C
1
:
x
2
1
4
+
y
2
1
9
= 1
C
2
:
x
2
1
+
y
2
4
= 1
© examsnet.com
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