Root of f’(x)=1and-1
Here we can clearly see that f’(x) is decreasing in [-1,1]
So, f(x) is decreasing in interval [-1,1]
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation