Can you please solve this question?

The joint distribution function of X and Y random variables is given below: Fry(z, y) (2 e 0.5ax ) (0.5 -e 2By) 2 20, y _ 0, a _ 0, 8 2 0, , otherwise. Find the marginal function of X and Y random variables. O a. F.(x) J (2 - e BI ) 2 0, 8 -0, ,otherwise. Fully) (0.5 -e 201) 920,0 20, 10 otherwise. Fr(2) (0.5 e ar) otherwise. F. (y ) y = 0, B 2 0. otherwise, OFF.()= ,3 0.a 20. Jotherwise