RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 17. Increasing and Decreasing Functions

Subject: Maths - Class 12th

Q. No. 36 of Exercise 17.2

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Find the values of b for which the function f(x) = sin x – bx + c is a decreasing function on R ?

We have,

f(x) = sin x – bx +c

Given that f(x) is on decreasing function on R

for all x R

for all x R

b < for all x R

But the last value of cos x in 1

Chapter Exercises

More Exercise Questions


Find the interval in which is increasing or decreasing ?