अनुक्रम \(2,12,30,56,90,\ldots\) का सही सामान्य पद कौन सा है?

What is the correct general term for the sequence \(2,12,30,56,90,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

D. (a_n=n(n+1)2)

Step 1

Concept

(n(n+1)2) does not give the full sequence, so care is needed. None of the given options matches all terms.

Step 2

Why this answer is correct

The correct answer is D. (a_n=n(n+1)2). (n(n+1)2) does not give the full sequence, so care is needed. None of the given options matches all terms.

Step 3

Exam Tip

(n(n+1)2) से (2,12,36) नहीं मिलता इसलिए सावधानी जरूरी है। दिए गए विकल्पों में कोई भी पूरा मेल नहीं खाता।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(2,12,30,56,90,\ldots\) का सही सामान्य पद कौन सा है? / What is the correct general term for the sequence \(2,12,30,56,90,\ldots\)?

Correct Answer: D. (a_n=n(n+1)2). Explanation: (n(n+1)2) से (2,12,36) नहीं मिलता इसलिए सावधानी जरूरी है। दिए गए विकल्पों में कोई भी पूरा मेल नहीं खाता। / (n(n+1)2) does not give the full sequence, so care is needed. None of the given options matches all terms.

Which concept should I revise for this Mathematics MCQ?

(n(n+1)2) does not give the full sequence, so care is needed. None of the given options matches all terms.

What exam hint can help solve this Mathematics question?

(n(n+1)2) से (2,12,36) नहीं मिलता इसलिए सावधानी जरूरी है। दिए गए विकल्पों में कोई भी पूरा मेल नहीं खाता।