need solution for RD Sharma maths class 12 chapter Mean Value Theoram exercise 14.2 question 1 sub question (iii)
Hint:You must know the formula of Lagrange’s Mean Value Theorem.
is a polynomial function.
It is continuous in [1, 2]
(Which is defined in [1, 2])
is differentiable in [1, 2]. Hence it satisfies the condition of Lagrange’s Mean Value Theorem.
Now, there exists at least one value,