Question

Разложите на множители: a^9-b^3

Answer 1

(a³)³-b³=(a³-b)(a^6+a³b+b²) -------------------------------

Answer 2

$a^3-b^3=(a-b)(a^2+ab+b^2)$

$a^9-b^3= (a^{3)^3} -b^3=(a^3-b)(a^6+a^3b+b^2)$