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Provide Solution for RD Sharma Class 12 Chapter 17 Maxima and Minima Exercise Case Study Based Questions question 3 subquestion (i)

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Answer:   \mathrm{R}=\mathrm{Rs}(500-\mathrm{x})(300+\mathrm{x})

Hint: use the concept of revenue.


Total Revenue R = No. of Subscribers × Rate

                             =(500-x) \times(300+x)

Where x is the Rs for increasing one subscriber.


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