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Verified answer
Kelas 9 MatematikaBab Akar dan Pangkat
^ = pangkat
(2 - 1/2 - 1/2²)^-2
= (8/4 - 2/4 - 1/4)^-2
= (5/4)^-2
= (4/5)²
= 16/25
✩✩ D ✩✩