Math, asked by HemDhandore, 9 months ago

If a=6 and r=2 find Sn for GP

Answers

Answered by mysticd
2

 Given \: first \:term (a) = 6 \:and \\common \:ratio (r) = 2 \: in \:a \: G.P

 \boxed { \pink { Sum \:of \:n \:terms (S_{n}) = \frac{a(r^{n} - 1 )}{r-1} }}

\implies  S_{n} = \frac{6 ( 2^{n} - 1)}{2-1}

\implies  S_{n} = 6(2^{n} - 1 )

Therefore.,

 \red{ S_{n} } \green {= 6(2^{n} - 1 ) }

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