1@sir i think he gave for practice[4]
\mathfrak{Evaluate-}
\boldsymbol{\sum_{i=1}^{100}{\binom{100}{i}}\left ( 2^{i-1} \right )\left ( 1+3^{100-i} \right )}
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3 Answers
62this is simple
all you have to do is divide it into two sums
and write it as summation of nCr x^r
So you will have 2 sums.. can you pull it off?
