1.the equation of the perpendicular bisector of the segment

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1.the equation of the perpendicular bisector of the segment joining the points whose coordinates are (1.4)and (-2.3) is
2.if the graph of πx+根号2y+根号3=0 is perpendicular to the graph of ax+3y+2=0 ,the a=

这两题都考一个知识点：两个一次函数图象互相垂直,k1*k2=-1
因此第一题可以知道垂直平分线的斜率代入中点坐标即可
第二题把两个方程转化成y=kx+b的形式算出a的值

1.the equation of the perpendicular bisector of the segment Find the equation of the perpendicular bisector of A(-2,1)an Find the equation of the line OP determine the equation of a quadratic function which of the following is the equation of a line Find the equation of the locus of the mid-point of the chord 英语翻译1.E-book are by far the fastest-growing segment of the o 这么做这数学(find the equation of the tangent) 英语翻译write the slope-intercept equation of the line parallel 英语翻译write the dissociation equation for the dissolving of so what is the real matrix of the Sberling equation? When Φ is unity,the equation represents the conservation of