Matematika

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tolong bantuin yah....
rumus tegak lurus: m1-m2=-1
y-y1=-1/m2 (x-x1)
tolong bantuin yah.... rumus tegak lurus: m1-m2=-1 y-y1=-1/m2 (x-x1)

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  • b. m1.m2 = -1
         m1=  -3/2
         m2=  2/3
    y-y1=m2(x-x1)
    y-2 = 2/3(x-3)
    (y-2 = 2/3x-6/3)3
    3y-6 = 6/3x-18/3
    3y-6 = 2x-6
    pers :  2x-3y=0





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