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Textbook Expert
Textbook ExpertVerified Tutor
17 Nov 2021

Given information

To show :- Show , using implicit differentiation that any tangent line at a point P to a circle with centre O is perpendicular to the radius OP.

Step-by-step explanation

Step 1.

Consider the point Q is (0,0) and the point P is .

The equation of circle is with centre Q and radius r. 

Differentiate the equation implicitly , 

 

 

Thus , the slope of tangent to the equation at is  

The slope of the line passing through the point (0,0) and is  

 

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