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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
20 Dec 2021

Given information

We are given the parabolic equation  that passes through the point .

Step-by-step explanation

Step 1.
Note that all points on the parabola are of the form
 
Assume that the tangent at passes through  
We know that the slope of tangent at any point is the derivative at that point.
Differentiate , To get ,
Therefore, the slope of tangent at
 
Since the tangent passes through the points and , We can write the slope of the tangent as

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