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 ,