अनुक्रम \(2,5,14,37,\ldots\) के लिए कौन सा पुनरावर्ती नियम सही है?
Which recursive rule is correct for the sequence \(2,5,14,37,\ldots\)?
Explanation opens after your attempt
A. \(a_1=2, a_{n+1}=2a_n+n^2\)
Concept
\(2\times2+1^2=5\) and \(2\times5+2^2=14\). Exam tip: check the first two steps when choosing a rule.
Why this answer is correct
The correct answer is A. \(a_1=2, a_{n+1}=2a_n+n^2\). \(2\times2+1^2=5\) and \(2\times5+2^2=14\). Exam tip: check the first two steps when choosing a rule.
Exam Tip
\(2\times2+1^2=5\) और \(2\times5+2^2=14\) मिलता है। नियम चुनते समय शुरुआती दो चरण जाँचें।
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