0
Anonymous
203 = 8000
Let f(x) = 8132 - x3
then f'(x) = the derivative of f(x) = -3x2
Using Newton-Raphson method, a better estimate is 20 - f(x)/f'(x)
= 20 - 132/(-3*202)
= 20 + 132/1200 = 20 + 11/100 = 20.11
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