RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 17. Increasing and Decreasing Functions

Subject: Maths - Class 12th

Q. No. 25 of Exercise 17.2

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25

Determine whether f(x) = x/2 + sin x is increasing or decreasing on (–π /3, π/3) ?

we have,



Now,









Hence, f(x) is an increasing function on (–π /3, π /3)


Chapter Exercises

More Exercise Questions

26

Find the interval in which is increasing or decreasing ?