15. Consider the following data for a function (x). Find m if the composite Trapezoidal rule with n=4 gives the value $int_1^3 f(x) dx = 12.25$ (3-digit chopping). x 1 1.5 2 2.5 3 y = f(x) m 3 6 m 10 6. a) Show that the roots of the equation f(x) = e^x - 2x^2 lies in [1, 2] and find the solution using bisection method. b) Find the number of iterations necessary to solve the equation f(x) = x^3 + 4x^2 - 10 = 0 in using bisection method and correct to within 10^-5 c) Find the number of iterations necessary to solve the equation in [1, 2], using bisection method and correct to 10^-5.
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We need to check if there is a sign change in the interval [1, 2]. If there is a sign change, then there is a root in the interval. f(1) = e^1 - 2(1)^2 = e - 2 f(2) = e^2 - 2(2)^2 = e^2 - 8 Since e is approximately 2.718, we have: f(1) = 2.718 - 2 = 0.718 f(2) Show more…
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(d) Use the Bisection method to determine an approximation to the root that is accurate to at least within 10^-4. (pn is the midpoint of [an, bn]) (7) (e) Set up an perform the first two iterations of the Newton's method to solve f(x) = 0. (10)
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