Write a program in C++, which takes radius from the user and calculate the area of sphere i.e Area=4pr2

 Define a recursive method power( ) which takes two arguments,1^st base & 2^nd exponent and returns the result accordingly. Example, power(2, 3) which returns 8.

#include <iostream>

using namespace std;

 

int Power(int base, int base_power)

{

    if (base_power != 0)

        return (base*Power(base, base_power-1));

    else

        return 1;

}

int main()

{

    int base, base_power, answer;

 

    cout << "ENTER BASE NUMBER\t\t\t=   ";

    cin >> base;

 

    cout << "ENTER POWER NUMBER (POSITIVE INTEGER)   =   ";

    cin >> base_power;

 

    answer = Power(base, base_power);

    cout<<endl;

    cout << base << "^" << base_power << " = " << answer;

 

    return 0;

}