In GP 729, 243, 81,….. Find $T_{7}$

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Solution

729, 243, 81, ......
$a = \frac{1}{3}$
$T_{7} = a r^{n - 1}$
$= 729 {(\frac{1}{3})}^{6}$
$= \frac{/ 729^{/ 81}}{/ 9 \times / 9 \times / 9} = 1$

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