अनुक्रम \(3,12,27,48,\ldots\) के लिए कौन-सा (n)वाँ पद सही है?
Which (n)th term is correct for the sequence \(3,12,27,48,\ldots\)?
Explanation opens after your attempt
A. \(a_n=3n^2\)
Concept
At (n=1,2,3,4), it gives (3,12,27,48). In exams, test options on the starting terms.
Why this answer is correct
The correct answer is A. \(a_n=3n^2\). At (n=1,2,3,4), it gives (3,12,27,48). In exams, test options on the starting terms.
Exam Tip
(n=1,2,3,4) पर (3,12,27,48) मिलते हैं। परीक्षा में विकल्पों को शुरुआती पदों पर जाँचें।
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