समांतर श्रेणी का (n)वाँ पद \(a_n=8n-5\) है। (83) कौन-सा पद होगा?
The (n)th term of an arithmetic progression is \(a_n=8n-5\). Which term will be (83)?
Explanation opens after your attempt
C. (11)वाँ(11)th
Concept
From (8n-5=83), (8n=88) and (n=11). To find the position, set \(a_n\) equal to the given term.
Why this answer is correct
The correct answer is C. (11)वाँ / (11)th. From (8n-5=83), (8n=88) and (n=11). To find the position, set \(a_n\) equal to the given term.
Exam Tip
(8n-5=83) से (8n=88) और (n=11)। पद की स्थिति के लिए \(a_n\) को दिए पद के बराबर रखें।
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