摘要:直线m:3x-5y+1=0关于直线:2x-2y-3=0对称的直线n的方程是 .
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已知两条直线l1: a1x + b1y + 1 = 0,l2: a2x + b2y + 1 = 0相交于点
P(3,5), 则过两点(a1,b1)和(a2,b2)的直线方程是
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A. 3x + 5y + 1 = 0 B. 3x - 5y + 1 = 0
C. 5x + 3y + 1 = 0 D. 5x - 3y + 1 = 0
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