Given the function f(x) = 4x3 sin(x) — 1, has a solution a in the interval (0.7, 0.8) given in radians. An iterative formula, of the form given below, is used to find a. xn+1 A + B sin(xn), = where A and B are constants. x1 = 0.75 a) Find out the values of A and B in terms of fractions. A = and B = b) Find the values of x2 and x3 correct to 4 decimal places. X2 = x3 =

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