अनुक्रम \(1,2,5,12,\ldots\) का सामान्य पद क्या है?

What is the general term of the sequence \(1,2,5,12,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. \(a_n=2^n-n\)

Step 1

Concept

\(2^n-n\) gives (1,2,5,12). In exams also check subtraction of the term number in power-based rules.

Step 2

Why this answer is correct

The correct answer is A. \(a_n=2^n-n\). \(2^n-n\) gives (1,2,5,12). In exams also check subtraction of the term number in power-based rules.

Step 3

Exam Tip

\(2^n-n\) से (1,2,5,12) मिलते हैं। परीक्षा में घात वाले नियम में पद संख्या घटाना भी जाँचें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(1,2,5,12,\ldots\) का सामान्य पद क्या है? / What is the general term of the sequence \(1,2,5,12,\ldots\)?

Correct Answer: A. \(a_n=2^n-n\). Explanation: \(2^n-n\) से (1,2,5,12) मिलते हैं। परीक्षा में घात वाले नियम में पद संख्या घटाना भी जाँचें। / \(2^n-n\) gives (1,2,5,12). In exams also check subtraction of the term number in power-based rules.

Which concept should I revise for this Mathematics MCQ?

\(2^n-n\) gives (1,2,5,12). In exams also check subtraction of the term number in power-based rules.

What exam hint can help solve this Mathematics question?

\(2^n-n\) से (1,2,5,12) मिलते हैं। परीक्षा में घात वाले नियम में पद संख्या घटाना भी जाँचें।