axes. ILs $201110$
7. (a) Find the equation of the lines which is parallell to the line $3x+4y+7=0andisata$
distance 2 from it.
$\left(b\right)$ Find the equations of the diagonals of the parallelogram formed by the lines $ax+by=0$
$ax+by+c=0,lx+my=0$ and $lx+my+n=0$ What is the condition that this $wi11be$
a rhombus ?
(c) Find the equation of the line passing through the intersection $of2x-y-1=0and3x-$
$4y+6=.0$ and parallel to the line $x+y-2=0$
(d) Find the èquation of the line passing through the point of intersection of lines $x+3y+2=$
$andx-2y$ $4=0$ and perpendicular to the line $2y+5x-9=0$
$\left(e\right)$ Find the equation of the line passing through intersection of the lines.r+3y-1=0'and 3x
$y+1=0$ $4\right)$ and the centroid ofthe triangle whose vertices are the points $s\left(3,-1\right)$ $\left(1.3\right)and\left(2$