Help 25,26
25.
x^2 + y^2
___ ___ = 1
49 25
26.
The distance between the focal points is given by :
2 * √ [ 10^2 - 8^2 ] =
2 * √ [ 100 - 64 ] =
2 * √36 =
2 * 6 =
12 ft