If `P` is non-singular matrix, then value of `adj(P^(-1))` in terms of `P` is (A) `P/|P|` (B) `P|P|` (C) `P` (D) none of these

If P is a non-singular matrix, with (P^-1) in terms of 'P', then show that adj (Q^(-1) BP^-1) = PAQ . Given that adjB = A and abs(P) = abs(Q) = 1.

The sum of n terms of an A.P. is 3n^(2)+n then its pth term is (A)6P+2(B)6P-2(C)6P-1 (D) none of these

If P is a two-rowed matrix satisfying P'=P^(-1), then P can be

If P and Q are two non-singular matrices such that PQ=QP, then (P(P+Q)^(-1)Q)^(-1)(PQ) is

If the square of differences of three numbers be in A.P., then their differences re in (A) A.P. (B) G.P. (C) H.P. (D) none of these

Let p be a non singular matrix,and I+P+p^(2)+...+p^(n)=0, then find p^(-1)

If a,b,c are in A.P ,then 3^(a),3^(b),3^(c) shall be in (A) A.P (B) G.P (C) H.P (D) None of these

If p>1 and q>1 are such that log(p+q)=log p+log q ,then the value of log(p-1)+log(q-1) is equal to (a)0(b)1 (c) 2(d) none of these

P(A uu B)=P(A nn B) if and only (i) P(A)>P(B)( ii )P(A)

If the numbers p,q,r are in A.P. then m^(7p), m^(7q), m^(7r)(mgt0) are in (A) A.P. (B) G.P. (C) H.P. (D) none of these