Question:
Find the equation of the hyperbola satisfying the give conditions: Vertices $(\pm 2,0)$, foci $(\pm 3,0)$
Solution:
Vertices $(\pm 2,0)$, foci $(\pm 3,0)$
Here, the vertices are on the x-axis.
Therefore, the equation of the hyperbola is of the form $\frac{x^{2}}{a^{2}}-\frac{y^{2}}{b^{2}}=1$.
Since the vertices are $(\pm 2,0), a=2$.
Since the foci are $(\pm 3,0), c=3$.
We know that $a^{2}+b^{2}=c^{2}$.
$\therefore 2^{2}+b^{2}=3^{2}$
$b^{2}=9-4=5$
Thus, the equation of the hyperbola is $\frac{x^{2}}{4}-\frac{y^{2}}{5}=1$.