Math, asked by sumitt9474, 11 months ago

The coefficient of xⁿ in the expansion of (1 + x + x² + ...)⁻ⁿ, is
(a) 1 (b) (-1)ⁿ (c) n (d) n+1

Answers

Answered by vedikagupta4725

1

Answer:

a)1 is the correct answer to your question

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