INTEGRATION 0 3 C LANGUAGE

 #include<stdio.h>

#include <math.h>

int main()

{

 float x,y;

 float rect_wight=0.0001;

 float area;

 int upper_limit, lower_limit;

printf("Enter upper Limit and Lower Limit\n");

scanf("%d %d",&lower_limit,&upper_limit);

for(x=lower_limit;x<=upper_limit;x=x+rect_wight){

    y=pow(x,2)+1;

    area = area + y*rect_wight;

    printf("x:%f y:%f \n",x,y,area);

   

}

printf("Area under this curve is: %f\n",area);

 

 

return 0;

}