Wb Jee
Sequence And Series
WB JEE 2008
MCQ+1 / -0.252008
The sum of the series \((1 + 2) + (1 + 2 + {2^2}) + (1 + 2 + {2^2} + {2^3}) + ....\) upto n terms is
Wb Jee
WB JEE 2008
The sum of the series \((1 + 2) + (1 + 2 + {2^2}) + (1 + 2 + {2^2} + {2^3}) + ....\) upto n terms is