1. &complex_num();
  2. complex_num();

which is correct?

technology programming languages

  1. 1 can only be called with predecleration of complex_num

  2. 1 and 2 are same

  3. 2 can only be called with predecleration of complex_num

  4. 1 is reference to a subroutine

Show answer
Correct Option: C

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