Questions in st-line

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	Equation of angle bisectors between x and y -axes are
	The equation of the bisector of that angle between the lines $x+2y-11=0$ , $3x-6y-5=0$ which contains the point (1, –3) is
	Equation of angle bisector between the lines $3x+4y-7=0$ and $12x+5y+17=0$ are
	The bisector of the acute angle formed between the lines $4x-3y+7=0$ and $3x-4y+14=0$ has the equation
	If vertices of a parallelogram are respectively (0, 0), (1, 0), (2, 2) and (1, 2), then angle between diagonals is
	Let $P(-1,\,0),\,$ $Q(0,\,0)$ and $R\,(3,\,3\sqrt{3})$ be three points. Then the equation of the bisector of the angle PQR is
	The points on the x-axis whose perpendicular distance from the line $\frac{x}{a}+\frac{y}{b}=1$ is a, are
	The length of the perpendicular from the point $(b,a)$to the line $\frac{x}{a}-\frac{y}{b}=1$, is
	The distance between the lines $3x+4y=9$and $6x+8y=15$is
	The distance of the point of intersection of the lines $2x-3y+5=0$ and $3x+4y=0$from the line $5x-2y=0$ is