In the Previous Two Problems, the Product Solutions Are
A) $u _ { n } = r ^ { n } P _ { n } ( \cos \theta )$

Multiple Choice

In the previous two problems, the product solutions are

A) $u _ { n } = r ^ { n } P _ { n } ( \cos \theta )$
B) $u _ { n } = r ^ { - n } P _ { n } ( \cos \theta )$
C) $u _ { n } = r ^ { n } P _ { n } ( \sin \theta )$
D) $u _ { n } = r ^ { - n } P _ { n } ( \sin \theta )$
E) none of the above