​ Factorise: i. 8p^3 - 27/p^3 ii. 343a^3 – 512b^3 ​

Question

Factorise:

i. \(8p^3 -\cfrac{27}{p^3}\)

ii. 343a³ – 512b³

Answer 1

 i. \(8p^3 -\cfrac{27}{p^3}\)

ii. 343a³ – 512b³

= (7a)³ – (8b)³ 

Here, A = 7a and B = 8b