अनुक्रम \(2,6,12,20,\ldots\) के लिए सही सामान्य पद कौन-सा है?

Which general term is correct for the sequence \(2,6,12,20,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. (a_n=n(n+1))

Step 1

Concept

(n(n+1)) gives (2,6,12,20). In exams, check rules involving the product of consecutive numbers.

Step 2

Why this answer is correct

The correct answer is D. (a_n=n(n+1)). (n(n+1)) gives (2,6,12,20). In exams, check rules involving the product of consecutive numbers.

Step 3

Exam Tip

(n(n+1)) से (2,6,12,20) मिलते हैं। परीक्षा में लगातार दो संख्याओं के गुणन वाले नियम को जाँचें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(2,6,12,20,\ldots\) के लिए सही सामान्य पद कौन-सा है? / Which general term is correct for the sequence \(2,6,12,20,\ldots\)?

Correct Answer: D. (a_n=n(n+1)). Explanation: (n(n+1)) से (2,6,12,20) मिलते हैं। परीक्षा में लगातार दो संख्याओं के गुणन वाले नियम को जाँचें। / (n(n+1)) gives (2,6,12,20). In exams, check rules involving the product of consecutive numbers.

Which concept should I revise for this Mathematics MCQ?

(n(n+1)) gives (2,6,12,20). In exams, check rules involving the product of consecutive numbers.

What exam hint can help solve this Mathematics question?

(n(n+1)) से (2,6,12,20) मिलते हैं। परीक्षा में लगातार दो संख्याओं के गुणन वाले नियम को जाँचें।