tolong dong bantu jawab yang no 24 buat besok dikumpulinn:')

28) (10 - 3V3) / (3V3 - 10)
= (10 - 3V3) (3V3 + 10) / (3V3 -10)(3V3 + 10)
= (100 - 27) / (27 - 100)
= 73/ -73
= -1
29) V(41^2 -40^2)
= V (40+1)^2 -40^2
= V (40^2 + 80 + 1) - 40^2)
= V (80 + 1)
= V81
= 9