Question

11. The coefficient of x in the expansion of (x+3)^3​

Answer 1

Answer:

x^3+27+9x(x+3)

x^3+27+9x^2+27x

so coefficient of x us 27

Answer 2

Answer:

27

Step-by-step explanation:

The Equation will be

(a+b)³=a³+3a²b+3ab²+b³

=X³+3X²×3+3X(3)²+3³

=X³+9X²+27X+27