" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-5y = 20 -2x
y = 20/-5 - 2/-5 x
jadi, m = 2/5
Syarat tegak lurus:
m1 x m2 = -1,
2x-5y+20=0
m1 = -b/a
= -(-5)/2
m1 = 5/2
m1 x m2 = -1
5/2 x m2 = -1
m2 = -1 X 2/5
m2 = -2/5