9.lim⁡x→0(729)x−(243)x−(81)x+9x+3x−1x39. \lim_{x \rightarrow 0} \frac{(729)^x - (243)^x - (81)^x + 9^x + 3^x - 1}{x^3}

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Problem

9.lim⁡x→0(729)x−(243)x−(81)x+9x+3x−1x39. \lim_{x \rightarrow 0} \frac{(729)^x - (243)^x - (81)^x + 9^x + 3^x - 1}{x^3}

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