NCERT Class 12 · Ch 6 Exercise 6.1 · Q16
NCERT Class 12 Maths · Chapter 6 Applications Of Derivatives · Exercise 6.1 Question 16
R(x)=13x²+26x+15 rupees. Find marginal revenue at x=7.
💡 Concept Hints
- Identify the domain and the inner and outer functions, or the relevant one-sided limits.
- Apply the appropriate differentiation or limit rule, keep all chain factors, and check exceptional points.
✅ Step-by-Step Solution
Final Answer: ₹208 per additional unit.
- Marginal revenue is R′(x)=26x+26.
- At x=7, R′(7)=182+26=208.
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