Question: Let f ( x ) = 3 x ^ 3 + ( x ) - 2 a . Find an interval where the function f

Let f(x)=3 x^3+(x)-2 a. Find an interval where the function f has one root. b. Use Rolle's theorem to show that the function f has exactly one root. Hint. See Example 2 on page 283 of the textbook.

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