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AP EAMCET Engineering 2016 Code C Paper
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© examsnet.com
Question : 33
Total: 160
The values of m for which the line
y
=
m
x
+
2
becomes a tangent to the hyperbola
4
x
2
−
9
y
2
=
36
is
±
2
3
±
2
√
2
3
±
8
9
±
4
√
2
3
Validate
Solution:
x
2
9
−
y
2
4
=
1
y
=
m
x
+
2
c
2
=
a
2
m
2
−
b
2
m
=
±
2
√
2
2
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