Let `V_r` denote the sum of the first' ' terms of an arithmetic progression (A.P.) whose first term is'r and the common difference is `(2r-1)`. Let `T_r=V_(r+1)-V_r -2` and `Q_r=T_(r+1) -T_r` for `r=1,2,.......` The sum `V_1+V_2+......+V_n` is

Let V_r denote the sum of the first r terms of an arithmetic progression (AP) whose first term is r and the common difference is (2r-1). Let T_r=V_(r+1)-V_r-2 and Q_r =T_(r+1)-T_r for r=1,2 .The sum V1+V2+...+Vn is

Let Vr denote the sum of first r terms of an arithmetic progression (A.P.) whose first term is r and the common difference is (2r – 1). Let T_(r)=V_(r+1)-V_(r)-2 and Q_(r+1)-T_(r) for r=1,2……. The sum V_(1)+V_(2)+….+V_(n) is

Let V_(r ) denotes the sum of the first r terms of an arithmetic progression whose first term is r and the common difference is (2r-1) . Let T_(r )=V_(r+1)-V_(r)-2" and " Q_(r )=T_(r+1)-T_(r )" for " r=1,2,"...." The sum V1​+V2​+...+Vn​ is

Let V_(r ) denotes the sum of the first r terms of an arithmetic progression whose first term is r and the common difference is (2r-1) . Let T_(r )=V_(r+1)-V_(r)-2" and " Q_(r )=T_(r+1)-T_(r )" for " r=1,2,"...." T_(r ) is always

Let V_r denote the sum of the first r terms of an arithmetic progression (AP) whose first term is r and the common difference is (2r-1). Let T_r=V_(r+1)-V_r-2 and Q_r =T_(r+1)-T_r for r=1,2... T_r is always (A) an odd number (B) an even number (C) a prime number (D) a composite num,ber

Let V_r denote the sum of the first r terms of an arithmetic progression (AP) whose first term is r and the common difference is (2r-1). Let T_r=V_(r+1)-V_r-2 and Q_r =T_(r+1)-T_r for r=1,2 T_r is always (A) an odd number (B) an even number (C) a prime number (D) a composite num,ber

Let V_r denote the sum of the first r terms of an arithmetic progression (AP) whose first term is r and the common difference is (2r-1). Let T_r=V_(r+1)-V_r-2 and Q_r =T_(r+1)-T_r for r=1,2 T_r is always (A) an odd number (B) an even number (C) a prime number (D) a composite num,ber

Let V_r denote the sum of the first r terms of an arithmetic progression (AP) whose first term is r and the common difference is (2r-1). Let T_r=V_(r+1) - V_r-2 and Q_r =T_(r+1) - T_r for r=1,2 T_r is always (A) an odd number (B) an even number (C) a prime number (D) a composite num,ber