यदि \(a_n=2n-1\) है, तो कौन-सा पद (41) के बराबर होगा?
If \(a_n=2n-1\), which term will be equal to (41)?
Explanation opens after your attempt
D. (n=21)
Concept
From (2n-1=41), we get (n=21). In exams, find the term number of an odd number using the formula.
Why this answer is correct
The correct answer is D. (n=21). From (2n-1=41), we get (n=21). In exams, find the term number of an odd number using the formula.
Exam Tip
(2n-1=41) से (n=21) मिलता है। परीक्षा में विषम संख्या के पद को सूत्र से निकालें।
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