अनुक्रम \(4,15,32,55,\ldots\) का सामान्य पद क्या है?

What is the general term of the sequence \(4,15,32,55,\ldots\)?

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

A. \(a_n=3n^2+2n-1\)

Step 1

Concept

\(3n^2+2n-1\) gives (4,15,32,55). In exams test options with small values of (n).

Step 2

Why this answer is correct

The correct answer is A. \(a_n=3n^2+2n-1\). \(3n^2+2n-1\) gives (4,15,32,55). In exams test options with small values of (n).

Step 3

Exam Tip

\(3n^2+2n-1\) से (4,15,32,55) मिलते हैं। परीक्षा में विकल्पों को छोटे (n) मानों से जाँचें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(4,15,32,55,\ldots\) का सामान्य पद क्या है? / What is the general term of the sequence \(4,15,32,55,\ldots\)?

Correct Answer: A. \(a_n=3n^2+2n-1\). Explanation: \(3n^2+2n-1\) से (4,15,32,55) मिलते हैं। परीक्षा में विकल्पों को छोटे (n) मानों से जाँचें। / \(3n^2+2n-1\) gives (4,15,32,55). In exams test options with small values of (n).

Which concept should I revise for this Mathematics MCQ?

\(3n^2+2n-1\) gives (4,15,32,55). In exams test options with small values of (n).

What exam hint can help solve this Mathematics question?

\(3n^2+2n-1\) से (4,15,32,55) मिलते हैं। परीक्षा में विकल्पों को छोटे (n) मानों से जाँचें।