Provide solution for RD Sharma math class 12 chapter Mean value theorem exercise 14.1 question 3 sub question (vi)
, so there exists c belongs to
We know that exponential and cosine functions are continuous and differentiable on R.
Let’s find the values of the function at an extreme
We have, so there exists at , such that
Let’s find the derivative of f(x)
Hence, Rolle’s Theorem is verified.