#4 please

3. Solve the following initial value problems using the method of Laplace transforms. (i) y+y=1,if0/2 with y()=1 and y(0)=0. (ii) y+16y=4(t),y(0)=0,y(0)=1 (iii) y+y=f(t),y(0)=0,y(0)=1 where f(t)=0,=1,=0,0t