कौन सा क्रम \(a_n=2^n+1\) से बने पहले चार पद दिखाता है?
Which sequence shows the first four terms of \(a_n=2^n+1\)?
Explanation opens after your attempt
Correct Answer
B. (3,5,9,17)
Concept
\(2^1+1=3\), \(2^2+1=5\), \(2^3+1=9\), and \(2^4+1=17\). Add (1) after evaluating the power.
Why this answer is correct
The correct answer is B. (3,5,9,17). \(2^1+1=3\), \(2^2+1=5\), \(2^3+1=9\), and \(2^4+1=17\). Add (1) after evaluating the power.
Exam Tip
\(2^1+1=3\), \(2^2+1=5\), \(2^3+1=9\), \(2^4+1=17\)। घात के बाद (1) जोड़ें।
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