Q.
Identify the conic whose equations are given in column-I
Column I (Equation of conic)
Column II (Nature of conic)
A
$x y+a^2=a(x+y)$
P
Ellipse
B
$2 x^2-72 x y+23 y^2-4 x-28 y-48=0$
Q
Hyperbola
C
$6 x^2-5 x y-6 y^2+14 x+5 y+4=0$
R
Parabola
D
$14 x^2-4 x y+11 y^2-44 x-58 y+71=0$
S
line pair
E
$4 x^2-4 x y+y^2-12 x+6 y+8=0$
Column I (Equation of conic) | Column II (Nature of conic) | ||
---|---|---|---|
A | $x y+a^2=a(x+y)$ | P | Ellipse |
B | $2 x^2-72 x y+23 y^2-4 x-28 y-48=0$ | Q | Hyperbola |
C | $6 x^2-5 x y-6 y^2+14 x+5 y+4=0$ | R | Parabola |
D | $14 x^2-4 x y+11 y^2-44 x-58 y+71=0$ | S | line pair |
E | $4 x^2-4 x y+y^2-12 x+6 y+8=0$ |
Conic Sections
Solution: