27. For eccentricity in hyperbola (e)
which relation is correct?
(1 Point)
e < 1
e = 1
e > 1
e = 0
Answers
Answered by
0
Answer:
Equation of hyperbola is
a
2
x
2
−
b
2
y
2
=1
∵b
2
=a
2
(e
2
−1)
⇒e
2
=1+
a
2
b
2
=
a
2
a
2
+b
2
Equation of conjugate hyperbola is
a
2
x
2
−
b
2
y
2
=−1
⇒
b
2
y
2
−
a
2
x
2
=1
∴e
′
2
=1+
b
2
a
2
=
b
2
a
2
+b
2
Now,
e
2
1
+
e
′
2
1
=
a
2
+b
2
a
2
+b
2
=1
Answered by
0
The correct relation for eccentricity in hyperbola (e) is :
Explanation:
- Eccentricity can be defined as a parameter associated with every conic section.
- It is a measure of how much the conic section deviates from being circular.
- When (e < 1 Ellipse), (e = 1 Parabola), (e > 1 Hyperbola), (e = ∞ straight line), (e = 0 Circle).
- e < 1 is the answer.
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