Q1 of 292 Page 490

Verify Lagrange’s mean-value theorem for the following function:


Given:


Since the f(x) is a polynomial function,


It is continuous as well as differentiable in the interval [4,6].





=12


⇒ f' (c)=2c+2


⇒ 2c+2=12


⇒ c=5


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