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  • Provide solution RD Sharma maths class 12 chapter 12 Derivative as a Rate Measure exercise case study based question, question 3 sub question 4 maths textbook solution

Provide solution RD Sharma maths class 12 chapter 12 Derivative as a Rate Measure exercise case study based question, question 3 sub question 4 maths textbook solution

Answers (1)

Answer:

10km/hr.

Hint:

 Here we use the concept of speed and area

Given:

 Here x=5km

y=12km

So, let B =13km (From Pythagoras)

Solution:

\frac{da}{dt}=13km/hr

So, the speed of Aarushi and Mira is 10km/hr.

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