यदि \(a_n=n^2-1\) है, तो कौन-सा पद (35) के बराबर होगा?
If \(a_n=n^2-1\), which term will be equal to (35)?
Explanation opens after your attempt
D. (n=6)
Concept
From \(n^2-1=35\), we get \(n^2=36\) and (n=6). In exams, complete the square value to find the term number.
Why this answer is correct
The correct answer is D. (n=6). From \(n^2-1=35\), we get \(n^2=36\) and (n=6). In exams, complete the square value to find the term number.
Exam Tip
\(n^2-1=35\) से \(n^2=36\) और (n=6) मिलता है। परीक्षा में वर्ग पूरा करके पद संख्या निकालें।
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