समांतर श्रेणी का (n)वाँ पद \(a_n=9n-4\) है। (113) कौन-सा पद होगा?
The (n)th term of an arithmetic progression is \(a_n=9n-4\). Which term will be (113)?
Explanation opens after your attempt
C. (13)वाँ(13)th
Concept
From (9n-4=113), (9n=117) and (n=13). To find the position, set \(a_n\) equal to the given term.
Why this answer is correct
The correct answer is C. (13)वाँ / (13)th. From (9n-4=113), (9n=117) and (n=13). To find the position, set \(a_n\) equal to the given term.
Exam Tip
(9n-4=113) से (9n=117) और (n=13)। पद की स्थिति के लिए \(a_n\) को दिए पद के बराबर रखें।
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