The coefficient of x in the expansion of (x + 3)3 is
The coefficient of x in the expansion of (x+3)2 can be calculated as follows:
(x + 3)3 = x3 + (3)3 + 3 (x) (3) (x + 3)
= x3 + 27 + 9x (x + 3)
= x3 + 27 + 9x2 + 27x
∴ Coefficient of x is 27
Hence, option D is correct