Question

Write coefficient of x in ( x-3)^3

Answer 1

Heya !!

Here is your answer.

Given :
(x - 3)³

Using (a-b)³ = a³ - b³ - 3ab (a - b).

(x - 3) = x³ - 9 - 3(x)(3) (x - 3)
= x³ - 9 - 9x² + 27x

Hence, the coefficient of x = 27


Hope It HelpS