Calculus Question

For the function f(x) = 2e"'r2 1 a. [2 marks] Use Calculus to show that the above function has exactly 0N E root between [115,1] b. [3 marks] Use 3 steps of bisection method to nd the root between [0.5.1] :2. [1 mark] What is the error associated with the approximation in part b, d. [1 mark] If accuracy of 10'3 is needed. how many iterations are needed to achieve this accuracy