1/3pangkat4-1/3pangkat-2+(-3)pangkat-2

Eksponen

(1/3)⁴ - (1/3)⁻² +(-3)⁻² =
= (1/3)⁴  - (3⁻¹)⁻²  + (1/3)²
= (1/3)⁴ - (3)² + (1/3)²
= 1/81 - 9 + 1/9
= (1 - 729 + 9)/(81)
= -719/81