The equation of the director circle of the hyperbola (x2 /16)-(y2 /4)=1 is given by .............

Question

The equation of the director circle of the hyperbola (x2 /16)-(y2 /4)=1 is given by ............. (A) x2 + y2 = 16 (B) x2 + y2 = 4 (C) x2 + y2 = 20 (D) x2 + y2 = 12

Tardigrade Admin · Accepted Answer

Correct answer is (d) x2 + y2 = 12

Q. The equation of the director circle of the hyperbola $\frac{x ^{2}}{16} - \frac{y ^{2}}{4} = 1$ is given by .............

$x^{2} + y^{2} = 16$

$x^{2} + y^{2} = 4$

$x^{2} + y^{2} = 20$

$x^{2} + y^{2} = 12$

Correct answer is (d) $x^{2} + y^{2} = 12$

Q. The equation of the director circle of the hyperbola 16x2​−4y2​=1 is given by .............

x2+y2=16

x2+y2=4

x2+y2=20

x2+y2=12

Correct answer is (d) x2+y2=12

Q. The equation of the director circle of the hyperbola $\frac{x ^{2}}{16} - \frac{y ^{2}}{4} = 1$ is given by .............

$x^{2} + y^{2} = 16$

$x^{2} + y^{2} = 4$

$x^{2} + y^{2} = 20$

$x^{2} + y^{2} = 12$

Correct answer is (d) $x^{2} + y^{2} = 12$