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Third Prime

Please help, figured out first two primes but am having allot of problems figuring out the third prime. Also need help with additional problem. Thanks

Find lim x ->∞ ( (3x-2) / (3x+2) )^x

(3x - 2)^x / (3x+2)^x = lim x ->∞ f'(x)/g'(x)
x(3x - 2)^(x-1)*(3)/ x(3x-2)^(x-1)*(3) =(3x - 2)^(x-1)/ (3x - 2)^(x-1)
f"/g" lim x ->∞ [(x - 1)(3)(3x - 2)^(x-2)] / [(x-1)(3)(3x - 2)^(x-2)] = [(x-1)(3x - 2)^(x-2)]/ [(x - 1)(3x - 2)^(x-2)]
f"'/g"' ???

Evaluate ∫ ( (3x + 3) /(x3−1) )dx.

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