यदि किसी गुणोत्तर श्रेणी में (a=5) और (r=3) है तो \(a_8\) का मान क्या होगा?
If a geometric progression has (a=5) and (r=3) what is the value of \(a_8\)?
Explanation opens after your attempt
C. (10935)
Concept
\(a_8=5\cdot3^7=10935\). In exams use \(r^7\) for the eighth term.
Why this answer is correct
The correct answer is C. (10935). \(a_8=5\cdot3^7=10935\). In exams use \(r^7\) for the eighth term.
Exam Tip
\(a_8=5\cdot3^7=10935\) है। परीक्षा में आठवें पद के लिए \(r^7\) लगाएँ।
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