Last updated at May 6, 2021 by Teachoo

Transcript

Ex 6.1, 16 The total revenue in Rupees received from the sale of ๐ฅ units of a product is given by R(๐ฅ) = 13๐ฅ2 + 26๐ฅ + 15. Find the marginal revenue when ๐ฅ = 7. Marginal revenue is rate of change of total revenue w. r. t the number of unit sold Let MR be marginal revenue So, MR = ๐ ๐น/๐ ๐ Given, Total revenue = R(๐ฅ)=13๐ฅ^2+26๐ฅ+15 We need to find marginal revenue when ๐ฅ = 7 i.e. MR when ๐ = 7 MR = ๐(๐ (๐ฅ))/๐๐ฅ MR = ( ๐(13๐ฅ^2 + 26๐ฅ + 15))/๐๐ฅ MR = ๐(13๐ฅ^2 )/๐๐ฅ+๐(26๐ฅ)/๐๐ฅ+๐(15)/๐๐ฅ MR = 13 ๐(๐ฅ^2 )/๐๐ฅ+ 26 ๐(๐ฅ)/๐๐ฅ+0 MR = 13 ร 2๐ฅ+26 MR = 26๐ฅ+26 MR = 26 (๐+๐) We need to find MR when ๐ฅ=7 Putting ๐ฅ=7 MR = 26 (7+1) MR = 26 ร 8 MR = 208 Hence Required marginal Revenue is Rs 208

Ex 6.1

Ex 6.1, 1
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About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.