Question

Which of the following is a factor of 1 + 27x3?

Answer 1

1 + 3x

1 + 3x + 9x2

1 + 6x + 9x2

None of the above

Answer 2

\[a^3 + b^3 = (a + b)(a^2 - ab + b^2) \]Gives you a big hint.

Answer 3

Here, \(a = 1\), \(b = 3x\)