Straight Lines and Pair of Straight Lines · Mathematics · BITSAT

104. If $p, q, r$ are in GP and the line $p x+q y+r=0$ forms a triangle with the coordinate axes, what is the area of the triangle if $p=2, q=4$ and $r=8$ ?

If four lines $a x \pm b y \pm c=0$ encloses a rhombus, then the area is

If the equation $2 h x y+2 g x+2 f y+c=0$ represents two straight lines, then the area of rectangle formed with the coordinates axes is

The equations of the bisector of the angles between the straight lines 3x + 4y + 7 = 0 and 12x + 5y $$-$$ 8 = 0 are :

The measurement of the distance from point A(1, 2) parallel to the line 3x $$-$$ y = 10 to the line x + y + 5 = 0 is