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Which of the following is the correct syntax of declaring a complex number?

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Which of the following is the correct syntax of declaring a complex number?

(a) complex variable_name<type>;

(b) complex<type> variable_name;

(c) Complex<type> variable_name;

(d) Complex variable_name<type>;

The question was asked in an interview.

My question is from Complex Library topic in section Class Hierarchies, Library & Containers of C++

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Correct answer is (b) complex<type> variable_name;

Best explanation: The correct syntax of declaring a complex number object is complex<type> variable_name.

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