1.求经过点A(-2,2),并且和两个坐标轴围成的三角形的面积是1的直线方程.(要有过程)2.若直线3ax-y-1=0与直线(a-2/3)x+y+1=0垂直,求m的值(要过程)3.若直线ax+y+2=0与连接点A(-2,3)和B(3,2)的
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