Suppose y 1

=e 3x
and y 2

=xe −3x
are two solutions for a homogeneous differential equation. So is also a solution to the differential equation. Select one: y=2xe 3x
+5e 3x
y=2xe −3x
+5e −3x

None of these. y=2xe −3x
+5e 3x
y=2xe 3x
+5e −3x