Consider the Second-Order Differential Equation:

Multiple Choice

Consider the second-order differential equation: .
Which of these statements is true?

A) x = 9 and x = -9 are both regular singular points.
B) x = 9 and x = -9 are both irregular singular points.
C) x = 0 and x = 9 are regular singular points, and x = -9 is an irregular singular point.
D) x = 0 and x = -9 are regular singular points, and x = 9 is an irregular singular point.