Question

Factors of 1-27a³ is * a) (1+3a)(1+3a+9a²) b) (1+3a)(1+3a-9a²) c) (1-3a)(1+3a+9a²) d) (1+3a)(1-3a+9a²)​

Answer 1

Step-by-step explanation:

$= > 1 - 27 {a}^{3}$

$= > {(1)}^{3} - {(3a)}^{3}$

$= > (1 - 3a)(1 + 9 {a}^{2} + 3a)$

Option c is the answer of the question