1.(D^(4)+2a^(2)D^(2)+a^(4))y= 8 cos ax
2.(d^(2))/(dx^(2))+(3dy)/(dx)+2y=sin2x
3.(d^(2)y)/(dx^(2))+y=sin3xcos2x
I need solution above those math,can anybody help me
2.(d^(2))/(dx^(2))+(3dy)/(dx)+2y=sin2x
3.(d^(2)y)/(dx^(2))+y=sin3xcos2x
I need solution above those math,can anybody help me
