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  1. Functions can be declared to return a reference type. There are reasons to make such a declaration/Which of the following reasons are correct? The information being returned is a large enough object that returning a reference is more efficient than returning a copy. The type of the function must be a R-value.

  1. Only 1 is correct.
  2. Only 2 is correct.
  3. Both 1 and 2 are correct.
  4. Both 1 and 2 are incorrect.

Correct Answer:
C. Both 1 and 2 are correct.

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