float power(float n1,float n2);
void main()
{
float n1,n2;
clrscr();
printf("enter the two numbers:\t");
scanf("%f%f",&n1,&n2);
printf("the value of a to power b is :\t%f",power(n1,n2));
getch();
}
float power(float n1,float n2)
{
if(n2==0) return 1;
else return n1*power(n1,n2-1);
}