Tentukan gradien garis yang tegak lurus dengan garis x - 5y - 9 = 0!
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-5
Penjelasan dengan langkah-langkah:
x - 5y - 9 = 0
a = 1, b = -5, c = -9
m = -a/b
= -1/(-5)
= 1/5
saling tegak lurus maka m1 x m2 = -1
m2 = -1 : m1
= -1 : 1/5
= -1 x 5/1
= -5
jawaban ada di dalam foto