अनुक्रम \(2,5,10,17,\ldots\) का (n)वाँ पद कौन-सा है?
What is the (n)th term of the sequence \(2,5,10,17,\ldots\)?
Explanation opens after your attempt
Correct Answer
A. \(n^2+1\)
Concept
The terms are \(1^2+1,2^2+1,3^2+1,\ldots\), so \(a_n=n^2+1\). Recognize the square pattern.
Why this answer is correct
The correct answer is A. \(n^2+1\). The terms are \(1^2+1,2^2+1,3^2+1,\ldots\), so \(a_n=n^2+1\). Recognize the square pattern.
Exam Tip
पद \(1^2+1,2^2+1,3^2+1,\ldots\) के रूप में हैं, इसलिए \(a_n=n^2+1\)। वर्ग वाले पैटर्न को पहचानें।
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