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Byju's Answer
Standard XII
Mathematics
Latus Rectum
If the latus ...
Question
If the latus rectum subtends a right angle at the centre of the hyperbola then its eccentricity
A
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B
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C
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D
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Solution
The correct option is
C
G
i
v
e
n
,
∠
S
O
L
=
45
∘
∴
t
a
n
45
∘
=
S
L
O
S
⇒
S
L
=
O
S
⇒
b
2
a
=
a
e
⇒
a
2
(
e
2
−
1
)
=
a
2
e
⇒
e
2
−
e
−
1
=
0
⇒
e
=
√
5
+
1
2
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