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Coordinate Geometryhard
0:00.0

Find the value of kkk for which the lines x+y−1=0,x−y+2=0,x + y - 1 = 0, x - y + 2 = 0,x+y−1=0,x−y+2=0, and 2x+ky−3=02x + ky - 3 = 02x+ky−3=0 are concurrent.