Continuity and DifferentiabilityMedium

Question

If f(x) = |cos x - sin x|, then f′(π/4) is equal to-

Options

A.√2
B.-√2
C.0
D.Does not exist

Solution

-

Create a free account to view solution

View Solution Free
Topic: Continuity and Differentiability·Practice all Continuity and Differentiability questions

More Continuity and Differentiability Questions

If y = , then dy/dx equals -...Point of discontinuity for secx is -...If y = and = ax + b, then values of a & b are -...The derivative of x|x| is-...Consider f (x) = ; where [ ] denotes the greatest integer function, then -...