यदि \(a_n=2^n+n\) है, तो \(a_4\) का मान क्या होगा?
If \(a_n=2^n+n\), what is the value of \(a_4\)?
Explanation opens after your attempt
C. (20)
Concept
\(a_4=2^4+4=20\). In exams, add both the power and (n).
Why this answer is correct
The correct answer is C. (20). \(a_4=2^4+4=20\). In exams, add both the power and (n).
Exam Tip
\(a_4=2^4+4=20\) है। परीक्षा में घात और (n) दोनों जोड़ें।
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