HyperbolaHard
Question
The equation 
= 1, |r| < 1 represents
= 1, |r| < 1 represents Options
A.an ellipse
B.a hyperbola
C.a circle
D.None of these
Solution
Given equation is = 1, where | r |< 1
⇒ 1 - r is (+ ve) and 1 + r is (+ ve)
∴ Given equation is of the form
= 1.
Hence, it represents a hyperbola when | r |<1
= 1, where | r |< 1 ⇒ 1 - r is (+ ve) and 1 + r is (+ ve)
∴ Given equation is of the form
= 1.Hence, it represents a hyperbola when | r |<1
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