Answered

close and open parenthesis two a square-b raised to negative 2 raised to negative 3

Sagot :

AwesomeHelperid
(2a^2 - b^-2) ^-3

is : 2a^2 b^2  - 1 over b^2

2a^2b^2 - 1 over b^2 ^ -3

is : b^6 over 8a^6b^6 - 12a^4b^4 + 6a^2b^2 - 1