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The money to be spend for the welfare of the employees of a firm is proportional to the rate of change of its total revenue (Marginal revenue). If the total revenue (in rupees) received from the sale of `x` units of a product is given by `R(x)=3x^2+36 x+5,` find the marginal revenue, when `x=5,` and write which value does the question indicate.

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The money to be spent for the welfare of the employees of a firm is proportional to the rate of change of its total revenue (Marginal revenue). If the total revenue (in rupees) received from the sale of units of a product is given by R(x)=3x^2+36x+5 , find the marginal revenue, when x=5 , and write which value does the question indicate.

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