अनुक्रम \(3,8,15,24,\ldots\) के लिए कौन-सा (n)वाँ पद सही है?
Which (n)th term is correct for the sequence \(3,8,15,24,\ldots\)?
Explanation opens after your attempt
A. (a_n=n(n+2))
Concept
At (n=1,2,3,4), it gives (3,8,15,24). In exams, test options on the starting terms.
Why this answer is correct
The correct answer is A. (a_n=n(n+2)). At (n=1,2,3,4), it gives (3,8,15,24). In exams, test options on the starting terms.
Exam Tip
(n=1,2,3,4) पर (3,8,15,24) मिलते हैं। परीक्षा में विकल्पों को शुरुआती पदों पर जाँचें।
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