Find the value of [(−2)(2)](3).
Find the sum to n terms of the series Sn=12+(12+22)+(12+22+32)....Also,determine∑Sn(n+1)2.
1+12+222!+12+22+323!+12+22+32+424!+...∞=b6e . Find b
The value of the series (112)+(12+223)+(12+22+324)+..... is