MCQ
For a GP, if $S_n=\frac{4^n-3^n}{3^n}$, then $t_2=$
- A$\frac{7}{9}$
- B$\frac{2}{9}$
- C$\frac{1}{9}$
- ✓$\frac{1}{9}$
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$\begin{array}{cc}
\phantom{.............}\ce{O}\phantom{..}\ce{CH3}\phantom{...}\ce{O}\phantom{...}\\
\phantom{...............}||\phantom{...}|\phantom{......}||\phantom{.....}\\
\ce{CH3 - CH2 - C - CH - C - H}
\end{array}$