Mathematics, 09.12.2019 16:31 blackordermember

State the conditions for the lines a1x + b1y+c1 = 0 and
a2x + b2y+c2 = o to be perpendicular and parallel.

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State the conditions for the lines a1x + b1y+c1 = 0 and
a2x + b2y+c2 = o to be perpendicular an...