If (2,-6) and (-3,-5) lie on the locus ax+by=1 ,then a and b are

The algebraic sum of distances of the line ax + by + 2 = 0 from (1,2), (2,1) and (3,5) is zero and the lines bx - ay + 4 = 0 and 3x + 4y + 5=0 cut the coordinate axes at concyclic points. Then (a) a+b=-2/7 (b) area of triangle formed by the line ax+by+2=0 with coordinate axes is 14/5 (c) line ax+by+3=0 always passes through the point (-1,1) (d) max {a,b}=5/7

24) If the points A(3,5) and E(1,4) lie on the graph of the tine ax + value of a and b

The point P divides the join of (2,1) and (-3,6) in the ratio 2:3. Does P lie on the line x-5y+15=0?

The points A(3, 6) and B lie on the parabola y^(2)=4ax , such that the chord AB subtends 90^(@) at the origin, then the length of the chord AB is equal to

A=(1,2),B(3,4) and the locus of C is 2x+3y=5 then the locus of the centroid of Delta ABC is

If the volume of tetrahedron ABCD is 1 cubic units,where A(0,1,2),B(-1,2,1) and C(1,2,1) then the locus of point D is a.x+y-z=3 b.y+z=6 c.y+z=0 d.y+z=-3

If lines x+2y-1=0,ax+y+3=0, and bx-y+2=0 are concurrent,and S is the curve denoting the locus of (a,b), then the least distance of S from the origin is (a) (5)/(sqrt(57)) (b) 5/sqrt(51)(c)5/sqrt(58)(d)5/sqrt(59)

If a =-(3)/(4) and b = (5)/(6) then which of the following does not lie between a and b ?