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# what symbol is used in c++ to represent square(e.g the square of 3 is 9) and cube?

3 Answers

+ 2

There is no square or cube operator in C++. You have to use pow from math.h.
#include <iostream>
#include <math.h>
using namespace std;
int main(void) {
cout << pow(42.0, 2.0) << endl; //square
cout << pow(42.0, 3.0); //cube
return 0;
}

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and what is for suare root?

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sqrt() function