कौन सा क्रम \(a_n=2^n+n\) से बने पहले चार पद दिखाता है?

Which sequence shows the first four terms of \(a_n=2^n+n\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (3,6,11,20)

Step 1

Concept

\(2^1+1=3\), \(2^2+2=6\), \(2^3+3=11\), and \(2^4+4=20\). Add (n) after evaluating the power.

Step 2

Why this answer is correct

The correct answer is A. (3,6,11,20). \(2^1+1=3\), \(2^2+2=6\), \(2^3+3=11\), and \(2^4+4=20\). Add (n) after evaluating the power.

Step 3

Exam Tip

\(2^1+1=3\), \(2^2+2=6\), \(2^3+3=11\), \(2^4+4=20\)। घात के बाद (n) जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

कौन सा क्रम \(a_n=2^n+n\) से बने पहले चार पद दिखाता है? / Which sequence shows the first four terms of \(a_n=2^n+n\)?

Correct Answer: A. (3,6,11,20). Explanation: \(2^1+1=3\), \(2^2+2=6\), \(2^3+3=11\), \(2^4+4=20\)। घात के बाद (n) जोड़ें। / \(2^1+1=3\), \(2^2+2=6\), \(2^3+3=11\), and \(2^4+4=20\). Add (n) after evaluating the power.

Which concept should I revise for this Mathematics MCQ?

\(2^1+1=3\), \(2^2+2=6\), \(2^3+3=11\), and \(2^4+4=20\). Add (n) after evaluating the power.

What exam hint can help solve this Mathematics question?

\(2^1+1=3\), \(2^2+2=6\), \(2^3+3=11\), \(2^4+4=20\)। घात के बाद (n) जोड़ें।