RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 17. Increasing and Decreasing Functions

Subject: Maths - Class 12th

Q. No. 26 of Exercise 17.2

Listen NCERT Audio Books to boost your productivity and retention power by 2X.

26

Find the interval in which is increasing or decreasing ?

we have





Critical points




x = 0, –1


Clearly,f'(x) > 0 if x>0


And f'(x) < 0 if –1 < x < 0 or x < –1


Hence, f(x) increases in (0,), decreases in (–, –1) U (–1, 0)


Chapter Exercises

More Exercise Questions

26

Find the interval in which is increasing or decreasing ?