The n th term of a GP is 128 and the sum of its n terms is 255. If its common ratio is 2…
Mathematics · JEE Main · NTA Exams — Progression and Series
The nth term of a GP is 128 and the sum of its n terms is 255. If its common ratio is 2 then its first term is
- 1
- 3
- 8
- none of these
Answer
(A) 1
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