अनुक्रम \(0,3,8,15,\ldots\) का सामान्य पद क्या है?
What is the general term of the sequence \(0,3,8,15,\ldots\)?
Explanation opens after your attempt
A. \(a_n=n^2-1\)
Concept
\(n^2-1\) gives (0,3,8,15). In exams, match by subtracting (1) from square numbers.
Why this answer is correct
The correct answer is A. \(a_n=n^2-1\). \(n^2-1\) gives (0,3,8,15). In exams, match by subtracting (1) from square numbers.
Exam Tip
\(n^2-1\) से (0,3,8,15) मिलते हैं। परीक्षा में वर्ग संख्याओं से (1) घटाकर मिलान करें।
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