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.
k=1k = 1k=1
k=−1k = -1k=−1
k=2k = 2k=2
k=0k = 0k=0