Straight LineMedium
Question
If the lines ax + by + c = 0, bx + cy + a = 0 and cx + ay + b = 0 be concurrent, then -
Options
A.a3 + b3 + c3 − abc = 0
B.a3 + b3 + c3 + 3abc = 0
C.a3 + b3 + c3 − 3abc = 0
D.None of these
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