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Questions  >>  CBSE XI  >>  Math  >>  Sequences and Series
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Find the G.P. the sum of whose first two terms is $-4$ and the $5^{th}$ term is $4$ times the $3^{rd}$ term.

$\begin{array}{1 1} 4,-8, 16........\; or - \large\frac{4}{3},-\frac{8}{3}, -\frac{16}{3}...... \\ 4,8, 16........\; or \large\frac{4}{3},\frac{8}{3}, \frac{16}{3}......\\4,-8, 16........\; or - \large\frac{4}{5},-\frac{8}{5}, -\frac{16}{5}...... \\ 4,8, 16........\; or \;\large\frac{4}{5},\frac{8}{5}, \frac{16}{5}......\end{array} $

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