कौन सा क्रम \(a_n=2^n+n\) से बने पहले चार पद दिखाता है?
Which sequence shows the first four terms of \(a_n=2^n+n\)?
Explanation opens after your attempt
A. (3,6,11,20)
Concept
\(2^1+1=3\), \(2^2+2=6\), \(2^3+3=11\), and \(2^4+4=20\). Add (n) after evaluating the power.
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.
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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