SOLUTION: solve it if y = 0 f(x) : 3x^2 - 4x / x+1 = -ln (x^2-1)

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Question 367894: solve it if y = 0 f(x) : 3x^2 - 4x / x+1 = -ln (x^2-1)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!

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I used Newton's method with a starting value of x%5B1%5D=1.
f=%283x%5E2-4x%29%2F%28x%2B1%29%2Bln%28x%5E2-1%29%29%29
df%2Fdx=%283x%5E3%2B5x%5E2-8x%2B4%29%2F%28%281%2Bx%29%5E2%28x-1%29%29
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It quickly iterated to x=1.384019