अनुक्रम \(5,11,21,35,\ldots\) के लिए सही स्पष्ट नियम कौन-सा है?

Which explicit rule is correct for the sequence \(5,11,21,35,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. \(a_n=2n^2+3\)

Step 1

Concept

\(2n^2+3\) gives (5,11,21,35). In exams, test options by putting (n=1,2,3).

Step 2

Why this answer is correct

The correct answer is C. \(a_n=2n^2+3\). \(2n^2+3\) gives (5,11,21,35). In exams, test options by putting (n=1,2,3).

Step 3

Exam Tip

\(2n^2+3\) से (5,11,21,35) मिलते हैं। परीक्षा में (n=1,2,3) रखकर विकल्प जाँचें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(5,11,21,35,\ldots\) के लिए सही स्पष्ट नियम कौन-सा है? / Which explicit rule is correct for the sequence \(5,11,21,35,\ldots\)?

Correct Answer: C. \(a_n=2n^2+3\). Explanation: \(2n^2+3\) से (5,11,21,35) मिलते हैं। परीक्षा में (n=1,2,3) रखकर विकल्प जाँचें। / \(2n^2+3\) gives (5,11,21,35). In exams, test options by putting (n=1,2,3).

Which concept should I revise for this Mathematics MCQ?

\(2n^2+3\) gives (5,11,21,35). In exams, test options by putting (n=1,2,3).

What exam hint can help solve this Mathematics question?

\(2n^2+3\) से (5,11,21,35) मिलते हैं। परीक्षा में (n=1,2,3) रखकर विकल्प जाँचें।