Question: Exercise 2 [ 1 1 points ] . The aim of this exercise ( Questions 8 - 1 4 ) is to show that the

Exercise 2[11 points]. The aim of this exercise (Questions 8-14) is to show that the equation
x3+3x +5=0 has exactly one root in the interval (2,1).
3. Consider the function f (x)= x3+3x +5 on the interval [2,1]. What is the condition
that required from f (x) in the IVT?
4. For our case, the IVT requires a number N =

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