अनुक्रम \(5,17,37,65,\ldots\) के लिए सही सामान्य पद कौन-सा है?

Which general term is correct for the sequence \(5,17,37,65,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. \(a_n=4n^2+1\)

Step 1

Concept

\(4n^2+1\) gives (5,17,37,65). In exams check a quadratic rule when second differences are constant.

Step 2

Why this answer is correct

The correct answer is B. \(a_n=4n^2+1\). \(4n^2+1\) gives (5,17,37,65). In exams check a quadratic rule when second differences are constant.

Step 3

Exam Tip

\(4n^2+1\) से (5,17,37,65) मिलते हैं। परीक्षा में दूसरे अंतर समान देखकर वर्गीय नियम जाँचें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(5,17,37,65,\ldots\) के लिए सही सामान्य पद कौन-सा है? / Which general term is correct for the sequence \(5,17,37,65,\ldots\)?

Correct Answer: B. \(a_n=4n^2+1\). Explanation: \(4n^2+1\) से (5,17,37,65) मिलते हैं। परीक्षा में दूसरे अंतर समान देखकर वर्गीय नियम जाँचें। / \(4n^2+1\) gives (5,17,37,65). In exams check a quadratic rule when second differences are constant.

Which concept should I revise for this Mathematics MCQ?

\(4n^2+1\) gives (5,17,37,65). In exams check a quadratic rule when second differences are constant.

What exam hint can help solve this Mathematics question?

\(4n^2+1\) से (5,17,37,65) मिलते हैं। परीक्षा में दूसरे अंतर समान देखकर वर्गीय नियम जाँचें।