Q. A hyperbola centered at the origin has vertices at (0,±19) and foci at (0,±55).Write the equation of this hyperbola.
Identify standard form: Identify the standard form of the equation for a hyperbola with a vertical transverse axis.Standard form of equation for a hyperbola with a vertical transverse axis: (y−k)2/a2−(x−h)2/b2=1
Determine center: Determine the values of h and k, which represent the center of the hyperbola. Since the hyperbola is centered at the origin, h=0 and k=0.
Find semi-major axis: Find the value of the semi-major axis a.a is the distance from the center to a vertex along the y-axis. The vertices are given as (0,±19), so a=19.
Find semi-minor axis: Find the value of the semi-minor axis b. The relationship between the semi-major axis a, the semi-minor axis b, and the distance c from the center to a focus is c2=a2+b2. The foci are given as (0,±55), so c=55.
Calculate value of b: Calculate the value of b using the relationship c2=a2+b2. c2=(55)2 c2=55 a2=(19)2 a2=19 b2=c2−a2 b2=55−19 b2=36 b=36 c2=a2+b20
Write equation in standard form: Write the equation of the hyperbola in standard form after substituting the values of h, k, a, and b. Substitute values of h, k, a, and b into (y−k)2/a2−(x−h)2/b2=1. (y−0)2/192−(x−0)2/62=1k0
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