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diket
melalui A(2, -5) dan P(-6,8)
mencari gradien
1 ⇒ B
2⇒ A
y2 = -5
y1 = 8
x2 = 2
x1 = -6
m =
2.
P(6,2) Q(-4,8)
m =
persamaan =
-11y+22 = 6x-36
-11y = 6x -36 - 22
-11y = 6x - 58
0 = 6x +11y - 58
jadi,
kalau PQ 0 = 6x + 11y -58 maka AB 0 = - 11x - 6y ...