अनुक्रम \(2,10,30,68,\ldots\) के लिए सही सामान्य पद कौन-सा है?

Which general term is correct for the sequence \(2,10,30,68,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. \(a_n=n^3+n\)

Step 1

Concept

\(n^3+n\) gives (2,10,30,68). In exams, test the cube-based rule on the first three terms.

Step 2

Why this answer is correct

The correct answer is A. \(a_n=n^3+n\). \(n^3+n\) gives (2,10,30,68). In exams, test the cube-based rule on the first three terms.

Step 3

Exam Tip

\(n^3+n\) से (2,10,30,68) मिलते हैं। परीक्षा में घन वाले नियम को पहले तीन पदों पर जाँचें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(2,10,30,68,\ldots\) के लिए सही सामान्य पद कौन-सा है? / Which general term is correct for the sequence \(2,10,30,68,\ldots\)?

Correct Answer: A. \(a_n=n^3+n\). Explanation: \(n^3+n\) से (2,10,30,68) मिलते हैं। परीक्षा में घन वाले नियम को पहले तीन पदों पर जाँचें। / \(n^3+n\) gives (2,10,30,68). In exams, test the cube-based rule on the first three terms.

Which concept should I revise for this Mathematics MCQ?

\(n^3+n\) gives (2,10,30,68). In exams, test the cube-based rule on the first three terms.

What exam hint can help solve this Mathematics question?

\(n^3+n\) से (2,10,30,68) मिलते हैं। परीक्षा में घन वाले नियम को पहले तीन पदों पर जाँचें।