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+1 vote
2.7k views
in Binomial theorem by (52.7k points)
edited by

In the expansion of a + bx + cx2/ex,  the coefficient of xn will be

(A)  a(-1)n/n! + b(-1)n-1/(n - 1)! + c(-1)n - 2/(n - 2)!

(B)  a/n! + b/(n - 1)! + c/(n - 2)!

(C)  (-1)n/n! + (-1)n -1/(n - 1)! + (-1)n - 2/(n - 2)!

(D)  None of these

1 Answer

+1 vote
by (46.6k points)
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Best answer

Correct option   (A)  a(-1)n/n! + b(-1)n-1/(n - 1)! + c(-1)n - 2/(n - 2)!

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