If `A(2,1/2), B(3,1/3), C(4,1/4), D(k ,1/k)` are concyclic `=>k=`

If the points (0,0),(2,0),(0,4),(1,k) are concyclic then k^(2)-4k=

The points (1,0 ),(0,1),(0,0) and (2k,3k), k ne 0 are concyclic if k =

The points (1,0),(0,1),(0,0) and (2k,3k),k!=0 are concyclic if k =

If the points (1,-6),(5,2),(7,0),(-1,k)(k!=1) are concyclic then k=

If A is (1,-2), B (3,k), C(-3,1) and D(k,4) where lines AB bot CD then :k=

If A is (1,-2), B (3,k), C(-3,1) and D (k,4) where lines AB and CD are parallel then : K=

If four point A(1,0,3),B(-1,3,4),C(1,2;1) and D(k,2,5) are coplanar,then k=

The value of k for which the points A (1, 0, 3), B(-1, 3, 4), C(1, 2, 1) and D(k, 2, 5) are coplanar, are

The value of k for which the points A (1,0,3), B (-1,3,4) C (1,2,1) and D(k,2,5) are coplanar is

Find the value of k for which A (1,0,3), B (-1,2,4), C(1,2,1) and D(k,2,5) are coplaner.