If lines 3x - 4y - 13 = 0,8x - 11y - 33 = 0 and 2x - 3y + λ = 0 are concurrent , λ =
7
-7
5
-5
The equation of line which passes through (1,-2) and cuts equal intercepts with coordinate axis is.
x + y = 1
x - y = 1
x + y + 1 = 0
x - y - 2 = 0
The coordinates of foot of perpendicular from point (2,3) to the line y = 3x + 4 are.
The gradient of line which cuts equal intercepts with coordinate axis is.
-1
0
2
√3
The distance between lines 3x + 4y = 9 and 6x + 8y = 15 is.
3/2
3/10
6
2/3
If lines 2x + 3ay - 1 = 0 and 3x + 4y + 1 = 0 are mutually perpendicular , then a =
-1/2
1/2
1
The base of equilateral traingle is x + y = 2 and its vertex is (2,-1) , the length of side of traingle is.
√2
√3/2
√(2/3)
If x1,x2,x3 and y1,y2,y3, are in G.P .Where common ratio is r,then point P (x1,y1), Q (x2,y2), R (x3,y3) are on.
a straight line
an ellipse
a circle
Vertices of a triangle
If lines 3x - y =2,5x + ay = 3 and 2x + y = 3 are concurrent ,then a =
3
-2
The slope of the line which is perpendicular to the line joining the point (0, 0) and (-1, 1) is
