Question

Asked Oct 14, 2019

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Step 1

Two variables to denote the length of the shadow **(x)** and the distance of the women for the lamp post **(y)**.

From similar triangle, find the relation between the two variables.

Step 2

here the value of y in term of x

Step 3

Differentiate the equation with respect to **time **t to get the equate of rate of change of the length of the shadow and th...

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