Tolong bantuin ya nomor 3, soalnya sekarang dikumpulin
Jawaban Terkonfirmasi
. y= -x D(O, 3)
P(x,y) ——–> p '( -y. – x) ——–> P "( -3y , – 3x)
P' (-y, – x) = P' (3,- 4)
-y = 3 –> y = -3
-x = – 4 –> x = 4
P(x,y) = (4, -3)
P " (-3y, – 3x) = P " ( -3(-3), -3(4))
P " (x,y) = (9 , -12)