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If Newton's Method Is Used to Solve 2x3+2x+1=02 x ^ { 3 } + 2 x + 1 = 0

Question 223

Multiple Choice

If Newton's method is used to solve 2x3+2x+1=02 x ^ { 3 } + 2 x + 1 = 0 with first approximation x1=−1x _ { 1 } = - 1 , what is the second approximation, x2x _ { 2 } ?


A) -0.500
B) -0.525
C) -0.550
D) -0.575
E) -0.600
F) -0.625
G) -0.650
H) -0.675

Correct Answer:

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