(c) Following the result in (b), an alternative way of defining "Picard's iterates" would be to
set y-=1 and
y_(n+1)(x)=e^(x)(1+\int_0^x e^(-t)f(t,y_(n)(t))dt)
For the IVP:
(dy)/(dx)=y+y^(2),y(0)=1
compute the first 3 of (the standart) picards iterates and the first 3 of the alternative iterates