Let fX,Y (x,y) = 24xy for 0 ≤ x ≤ 1, 0 ≤ y ≤ 1,…

Let fX,Y (x,y) = 24xy for 0 ≤ x ≤ 1, 0 ≤ y ≤ 1, 0 ≤ x + y ≤ 1
and 0 otherwise.
find the marginal pdf
find P(X