
Grade 12Engineering Entrance Exams
if P,Q and R are the centres of three circles from a coaxial system of vectors
and l1,l2,l3 are the lengths of the tangents to them from a fixed poi.Then
l1^2+QR+l2^2+RP+l3^2+PQ is equal to
if P,Q and R are the centres of three circles from a coaxial system of vectors
and l1,l2,l3 are the lengths of the tangents to them from a fixed poi.Then
l1^2+QR+l2^2+RP+l3^2+PQ is equal to
and l1,l2,l3 are the lengths of the tangents to them from a fixed poi.Then
l1^2+QR+l2^2+RP+l3^2+PQ is equal to




