If the sum of the second |Sequences and Series|JEEMAIN 2020

JEE-MAIN 2020

05-09-2020 S2

Question

If the sum of the second, third and fourth terms of a positive term G.P. is 3 and the sum of its sixth, seventh and eighth terms is 243, then the sum of the first 50 terms of this G.P. is :

Select the correct option:

$\frac{2}{13}\left(3^{50}-1\right)$

$\frac{1}{13}\left(3^{50}-1\right)$

$\frac{1}{26}\left(3^{49}-1\right)$

$\frac{1}{26}\left(3^{50}-1\right)$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Chemistry

Easy

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