please solve q6 on page

.D *. ) Let X and Y be random variables with the joint p. d.f. soxay if (x,y) er f ( x, y ) = Lo ; otherwise where the region of is shown below.. Find the value of C. b Find the value of Cov(x,4 ) ( covariance) () Are X and independent? why? 6 .) Let X be a random variable with the following p. d.f . for = [ Kxs ( 1 - x ), ocxEl 0 " otherwise Find the value of K and find the cidof of X