Find the following products:

(i) ( + 2

(i) Given that:

=

[∵ (a + b)(a² – ab + b²) = a³ + b³]

=

(ii) Given that: (x² − 1) (x⁴ + x² + 1)

= (x² − 1) [(x²)² + (x²) (1) + (1)²]

= (x²)³ − (1)³

[∵ (a – b) (a² + ab + b²) = a³ – b³]

= x⁶ − 1