What is the output of this program?#include <iostream>

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What is the output of this program?

#include <iostream>
    #include <complex>
    using namespace std;
    int main ()
    {
        complex<double> Comp (10.0, 4.0);
        cout << imag(Comp) << endl;
        return 0;
    }

1. 10.0
2. 4.0
3. 4
4. 10
5. None of these

Correct Option: C

imag part will return the imaginary part of the complex number.