CUSAT 2022 BTech Solved Paper Shift 4

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Question : 150 of 200
 
Marks: +1, -0
The sum of the infinite series (‌
1
3
)
2
+‌
1
3
(‌
1
3
)
4
+‌
1
5
(‌
1
3
)
6
+...
is equal to
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