If a,b,c be the pth, qth and rth terms respectively of a H.P., the `|(bc,p,1),(ca,q,1),(ab,r,1)|=` (A) 0 (B) 1 (C) -1 (D) none of these

If l,m,n are the pth, qth, rth terms respectively of a G.P. (l,m,ngt0) then |(logl, p, 1),(logm,1,1),(logn,r,1)| = (A) pqr (B) l+m+n (C) 0 (D) none of these

If a, b, c be the pth, qth and rth terms respectively of a HP, show that the points (bc, p), (ca, q) and (ab, r) are collinear.

If a,b,c be the pth , qth and rth terms of an A.P., then p(b-c) + q(c-a) + r(a-b) equals to :

If a,b,c are positive and are the pth, qth and rth terms respectively of a G.P., the the value of |(loga, p, 1),(logb, q, 1),(logc, r, 1)|= (A) 1 (B) pqr(loga+logb+logc) (C) 0 (D) a^pb^qc^r

If a,b,c are the pth,qth,rth terms, respectively,of an HP,show that the points (bc,p),(ca,q), and (ab,r) are collinear.

If a,b,c are the pth,qth,rth terms, respectively,of an HP, show that the points (bc,p),(ca,q), and (ab,r) are collinear.

If a, b, c are the pth, qth, rth terms respectively of an H.P. , then the lines bcx + py+1=0, cax + qy+1=0 and abx+ry+1=0 (A) are concurrent (B) form a triangle (C) are parallel (D) none of these

if a,b,c are the pth,qth and rth terms of both an A.P. and also of a G.P. then a^(b)-c*b^(c-a)*c^(a-b)