Need solution for RD Sharma maths class 12 chapter Increasing and Decreasing Functions exercise 16.2 question 1 subquestion iii
Answer:
Given:
Here given that
To find:
We have to find out the intervals in which function is increasing and decreasing.
Hint:
Use increasing and decreasing property.
Solution:
Here given that
On differentiating we get,
For f(x) to be increasing, we must have
By applying (-) ve sign change comparison sign.
For f(x) to be decreasing, we must have
By applying (-) ve sign change comparison sign.