Mathematics for IGCSE & O level - Indices 2 (Section 3 - No. 7)
Select the expressions that are equivalent to ( rac{1}{a^2}). (Select all that apply)
(a^{-2})
(-a^2)
( rac{a^0}{a^2})
(a^0 - a^2)
Vysvětlení
The definition of negative exponents applies.