how can i solve these type of question.
(1) 16+26+36+46............n6 = An7+Bn6+Cn5+Dn4+En3+Fn2+Gn+E
what will be the value of A,B,C,D,E,F
konichiwa2x can yoy solve this question.
and gave a general formula for this question means
(1) 1r+2r+3r+4r............nr = A n(r+1) +Bnr......................