Coefficient of x^ 19 in the polynomial (x-1)(x-2) (x-20) is equal to :
Mathematics · JEE Main · NTA Exams — Permutations and Combinations
Coefficient of \(x^{19}\) in the polynomial \((x-1)(x-2) \ldots(x-20)\) is equal to :
- 210
- - 210
- 20!
- None of these
Answer
(B) - 210
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