1
WB JEE 2019
MCQ (More than One Correct Answer)
+2
-0
Change Language
Equation of a tangent to the hyperbola 5x2 $$-$$ y2 = 5 and which passes through an external point (2, 8) is
A
3x $$-$$ y + 2 = 0
B
3x + y $$-$$ 14 = 0
C
23x $$-$$ 3y $$-$$ 22 = 0
D
3x $$-$$ 23y + 178 = 0
2
WB JEE 2018
MCQ (More than One Correct Answer)
+2
-0
Change Language
A hyperbola, having the transverse axis of length 2sin$$\theta$$ is confocal wit6h the ellipse 3x2 + 4y2 = 12. Its equation is
A
x2sin2$$\theta$$ $$-$$ y2cos2$$\theta$$ = 1
B
x2cosec2$$\theta$$ $$-$$ y2sec2$$\theta$$ = 1
C
(x2 + y2)sin2$$\theta$$ = 1 + y2
D
x2cosec2$$\theta$$ = x2 + y2 + sin2$$\theta$$
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