Define f(x) = 4x3 x² + 1 a) Evaluate f(0.9) and f(1.0) correct to 2 decimal places. f(0.9) = f(1.0) = Submit part b) Let a be the root of f(x). Taking 0.9 as a first approximation to a, use the Newton-Raphson procedure once on f(x) to find a second approximation to a, giving your answer to 2 decimal places. Submit part

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