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let PS be the median of the triangle with vertices P (2, 2) Q (6,-1) R (7,3) equation of the line passing through 1, - 1 and parallel to P S IS |
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Answer» coordinate of S=(13/2,1)slope of ps=(1-2)/13/2 -2)=(-1)/(9/2)=-2/9Eq. of the line passing through (-1,1) and parallel to PS isy-1=(-2/9)(x+1)9(y-1)=-2x-29y-9+2x+2=02x+9y-7=0 |
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