अनुक्रम \(8,13,20,29,\ldots\) के लिए सही (n)वाँ पद कौन-सा है?
Which is the correct (n)th term for the sequence \(8,13,20,29,\ldots\)?
Explanation opens after your attempt
A. \(n^2+2n+5\)
Concept
Putting \(n^2+2n+5\) gives (8,13,20,29). Check the rule on the first few terms.
Why this answer is correct
The correct answer is A. \(n^2+2n+5\). Putting \(n^2+2n+5\) gives (8,13,20,29). Check the rule on the first few terms.
Exam Tip
\(n^2+2n+5\) रखने पर (8,13,20,29) मिलते हैं। पहले कुछ पदों पर नियम जांचें।
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