Question

Suppose m and r are integers. Write two different ways of C++ expression for mr2,store the result to variable result. The other expression uses the math function for r2 and the other doesn’t use the math

function but the equivalent expression

Answer 1

#include <iostream>
#include <cmath>
using namespace std;


int main()
{
    int m=10,r=8,result;
    result=m*(r*r);
    result=m*pow(8,2);
    cout << "result: " << result<<endl;
    return 0;
}