Question

How to declare the complex number?

(a) (3, 4)

(b) complex(3, 4)

(c) (3, 4i)

(d) (3, 4g)

I have been asked this question by my college director while I was bunking the class.

My doubt stems from Complex Number Type topic in division Source Files, Classes and Operator Overloading in C++ of C++

Answer 1

Right answer is (b) complex(3, 4)

The best I can explain: We can declare the complex number by using complex(3,4) where 3 is a real number and 4 is imaginary part.