Add the rational expression
[tex] \sf \large{ \frac{3}{6x {}^{3} } + \frac{4x}{2x}}[/tex]
[tex] \sf \large{ \frac{1}{2x {}^{3} } + 2}[/tex]
[tex]\sf \large \purple{ = \frac{4x {}^{3} + 1 }{2x {}^{3} }}[/tex]
