अनुक्रम \(3,8,15,24,\ldots\) का (n)वाँ पद कौन-सा है?

What is the (n)th term of the sequence \(3,8,15,24,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. \(n^2+2\)

Step 1

Concept

The rule \(n^2+2n\) gives (3,8,15,24). Choose the option that matches all first terms.

Step 2

Why this answer is correct

The correct answer is B. \(n^2+2\). The rule \(n^2+2n\) gives (3,8,15,24). Choose the option that matches all first terms.

Step 3

Exam Tip

पद \(1^2+2,2^2+4\) नहीं; सही पैटर्न \(n^2+2n\) से (3,8,15,24) मिलता है। विकल्प में \(n^2+2n\) चुनें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(3,8,15,24,\ldots\) का (n)वाँ पद कौन-सा है? / What is the (n)th term of the sequence \(3,8,15,24,\ldots\)?

Correct Answer: B. \(n^2+2\). Explanation: पद \(1^2+2,2^2+4\) नहीं; सही पैटर्न \(n^2+2n\) से (3,8,15,24) मिलता है। विकल्प में \(n^2+2n\) चुनें। / The rule \(n^2+2n\) gives (3,8,15,24). Choose the option that matches all first terms.

Which concept should I revise for this Mathematics MCQ?

The rule \(n^2+2n\) gives (3,8,15,24). Choose the option that matches all first terms.

What exam hint can help solve this Mathematics question?

पद \(1^2+2,2^2+4\) नहीं; सही पैटर्न \(n^2+2n\) से (3,8,15,24) मिलता है। विकल्प में \(n^2+2n\) चुनें।