$$\text { Explain how to use the binomial theorem to expand } ( 4 a - 9 b ) ^ { n } \text {. }$$

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The Answer of $$\text { Explain how to use the binomial theorem to expand } ( 4 a - 9 b ) ^ { n } \text {. }$$

Explain how to use the binomial theorem to expand (4a−9b)n. \text { Explain how to use the binomial theorem to expand } ( 4 a - 9 b ) ^ { n } \text {. } Explain how to use the binomial theorem to expand (4a−9b)n.