#include<stdio.h>
#include<conio.h>
int main()
{
float a,b,result=0;  \\ variable declaration
clrscr();
printf("\n Enter the first value"); \\input data form variable a
scanf("%f",&a);
printf("\n Enter second value");  \\input data form variable b
scanf("%d",&b);
result=a*a+b*b+2*a*b;         \\ perform operation
printf("\n (a+b)sqr =%f",result);
return 0;
getch(); \\ it hold the output screen ,get one character then exit.
}