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Mathematics test questions and answers
The midpoint coordinates of AB are ((1-5)/2, (3+1)/2) = (-2,2).

∫ k (AB) = (1-3)/(-5-1) =1/3 slope of straight line ab.

∴Kl=-3 slope of straight line L.

Y-2 =-3 (x+2) point skew

y-2=-3x-6

3x+y+4=0

choose one

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