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Maths TNSB Mentoring
Class 10 Crash course
Numbers and Sequences
Annual Revision III
8.
TBQ - Find the sum of the series
Question:
5
m.
Find the sum of the geometric series \(2 + 4 + 8 + … + 2048\).
Answer
:
Here, \(a\) \(=\)
and \(r\) \(=\)
.
The value of \(n\) \(=\)
The sum to \(n\) terms of a series,
S
n
=
i
i
i
−
i
i
−
i
.
The sum of the geometric series \(=\)
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