The Differential Equation Is $\left( 1 - x ^ { 2 } \right) y ^ { \prime \prime } - 2 x y ^ { \prime } + 12 y = 0$

Multiple Choice

The differential equation is $\left( 1 - x ^ { 2 } \right) y ^ { \prime \prime } - 2 x y ^ { \prime } + 12 y = 0$ is

A) Bessel's equation of order 12
B) Bessel's equation of order 3
C) Legendre's equation of order 12
D) Legendre's equation of order 3
E) Legendre's equation of order 4