Question: Let f(x) = cosh(x) 1 x for x > 0. a) Show that f(x) = 0 has exactly one solution x = r. b) Use

Let f(x) = cosh(x) 1 x for x > 0.

a) Show that f(x) = 0 has exactly one solution x = r.

b) Use Newton's method to find an approximate value for r with four decimal places of accuracy

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