I need help with the following exercise:

SupposeX and Y evolve according to

dXt = (2 + 5t + Xt)dt + 3dz1t

dYt = 4Ytdt + 8Ytdz1t + 6dz2t;

wherez1t and z2t are Brownian motions with (dz1t)(dz2t) = 0,1dt. Determine the dynamics (SDE) of

a) X^4

b)eX

c)XY

d) X^4Y

thanks! any thoughts and suggestions are appreciated!