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Binomial Expansion

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Question 81

Find, in ascending powers of xxx up to and including the term in x3x^3x3, the binomial expansion of

(1−3x)−2for ∣x∣<13 (1 - 3x)^{-2} \quad \text{for } |x| < \frac{1}{3} (1−3x)−2for ∣x∣<31​

fully simplifying each term.

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Binomial Expansion Questions

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