heeeeelp meeeee ...

(a)find antiderivatives for the following functions :
(i) e^5x sinh3x + 4x+6/x^2+3x+5 .

(ii) �ã3x(x^2-2/x+1).

(b)Evaluate the following integrals over the given intervals:
(i)4/2x-1 - 3/x+4 over [1,3]
(ii)cosh 3x-sinh4x over [0, ln2]

(c)A particle is moving from rest with an acceleration a(t)=3�ãt+1 m/sec^2
(i)Find the velocity of the particle after 25 seconds .

(ii)Find the total distance travelled by the particle in the first 16 seconds.