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Textbook Expert
Textbook ExpertVerified Tutor
6 Jan 2022

Given information

The given figure is

where the parabola is

Step-by-step explanation

Step 1.

Let us find the derivative of to get the coordinates of and :

 

Rewrite the square of a sum

 

Substract like terms

 

 

If , when , then .

We used the rule above to simplify and substituted for .

 

 

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