write and run a program in c to find value of y(0.2) by runge kutta method of order 4 taking the step h=0.001 for the following equation dy/dx=y-x/y+x, y(0)=1



another one is:: find value of y(0.4) by rungekutta method with step length h=0.005 of order 4 for the equation dy/dx=x+y*y,y(0)=1


i wrote a program which works for 4 or 8 intervals but it cant solve this problem which probably takes 200 interval.
please help me out.