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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
25 Oct 2021

Given information

From part 48a, the given curve equation is  .

The objective is to tell In view of part (b), what can you say about the expression for that you found in part (a).

Step-by-step explanation

Step 1.

From part (b) we have,

Notice that the radicand  is always negative, it cannot be positive for any x, so, the radical does not give the real solutions.

As the function is imaginary, we can assume that the derivative is only valid for imaginary values also.

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