Please solve RD Sharma class 12 chapter 16 Increasing and Decreasing Function Excercise Fill in the blanks Question 8: Maths Textbook Solution.
Answer: The value of k is
Hint: The function is increasing if .
Given:
Explanation: It is given that
…(i)
Differentiate (i) with respect to x
is increasing.
Now, if
Thus, the length of largest interval is
( is length of largest interval in which is increasing)
Thus, the value of k is