Four distinct points `(k, 2k), (2, 0), (0, 2) and (0,0)` lie on a circle for : (A) `k = 0` (B) `k = 6/5` (C) `k = 1` (D) `k = -1`

The points (2k, 3k), (1, 0), (0, 1) and (0, 0) lie on a circle for

If the points (0,0),(2,0),(0,-2) and (k,-2) are concylic then k=

Find the values of k for which the points (2k ,3k),(1,0),(0,1),a n d(0,0) lie on a circle.

If three points (h, 0), (a, b) and (o, k) lie on a line, show that a/h+b/k=1 .

If three points A(h ,0),\ P(a , b)a n d\ B(0, k) lie on a line, show that: a/h+b/k=1.

If three points A(h ,0),\ P(a , b)a n d\ B(0, k) lie on a line, show that: a/h+b/k=1.

Find the distance between the points (k, k+1, k+2) and (0, 1, 2).

The centre of circle which passes through A (h, 0), B (0, k) and C (0, 0) is : (A) (h/2, 0) (B) (0, k/2) (C) (h/2, k/2) (D) (h, k)

A=[{:(1,0,k),(2, 1,3),(k,0,1):}] is invertible for

If 12x=k is the directrix of parabola y^2 + 4y+3x=0 , then which of the following true? (A) k=25 (B) k=0 (C) k=5 (D) k=15