EllipseHard
Question
The graph of the equation r2 =
is a conic (where (r, θ) denotes the polar coordinates of the point) whose eccentricity is -
Options
A.
B.√2
C.√3
D.
Solution
r2 = 
⇒ 3x2 - 2y2 = 8 (rcosθ = x & rsinθ = y)
∴ e =
⇒ 3x2 - 2y2 = 8 (rcosθ = x & rsinθ = y)
∴ e =
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