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Question

Solve the logarithmic function of ln(\(\frac{1+5x}{1+3x}\)).

a.

2x – 8x² + \(\frac{152x^3}{3}\) – …

b.

x² + \(\frac{7x^2}{2} – \frac{12x^3}{5}\) + …

c.

x – \(\frac{15x^2}{2} + \frac{163x^3}{4}\) – …

d.

1 – \(\frac{x^2}{2} + \frac{x^4}{4}\) – …

Answer: (a).2x – 8x² + \(\frac{152x^3}{3}\) – …

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Q. Solve the logarithmic function of ln(\(\frac{1+5x}{1+3x}\)).