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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
18 Nov 2021

Given information

Given :- 

To find :- If the point (-5,0) is on the edge of the shadow , how far above the x-axis is the lamp located ?

 

Step-by-step explanation

Step 1.

Consider the equation ,

differentiate on both sides , 

 

 

The derivative of the curve at given point is the slope of the tangent line at that point , 

 

 

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