Show the cubic equation x 3 2x 1 = 0 has a root near x
Question:
Show the cubic equation x3 – 2x – 1 = 0 has a root near x = 2. Prove that the iteration
fails to converge to that root. Devise a simple iteration formula for the root of the equation, and use it to find the root to 6dp.
Transcribed Image Text:
Xn+1 =(x-1)
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Setting fx x 2x 115 0 and 2 0 sofhas a zero between 15 and 2 3 d dx 22x1 2 x SO Xn...View the full answer
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