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(3,-5) = (3,5)
NB = -5 berubah menjadi 5 karena - ketemu - .
3) rotasi thd (0,0) sejauh 90° = (-b,a)
A (2,1) = (-1,2)
4) (-6,12) di dilatasikan dgn faktor skala 2 = (-6×2,12×2)
= (-12,24)
maaf kalau salah, semoga membantu