Answer to Question #273839 in C++ for sonu

Question

 Write function to ‘power’ which

-calculates square of a number when one argument is provided.

-calculates x raised to power y when two arguments are provided.

-calculates x raised to power y, raised to power z, when three arguments are provided.

Answer 1

#include <cmath>

double power(double n) {
 return n*n;
}
double power(double n, double x) {
 return pow(n, x);
}
double power(double n, double x, double y) {
 return pow(n, pow(x, y));
}