यदि \(a_n=3^n-n\) है, तो \(a_3\) का मान क्या होगा?
If \(a_n=3^n-n\), what is the value of \(a_3\)?
Explanation opens after your attempt
B. (24)
Concept
\(a_3=27-3=24\). In exams, find the power and subtract the current (n).
Why this answer is correct
The correct answer is B. (24). \(a_3=27-3=24\). In exams, find the power and subtract the current (n).
Exam Tip
\(a_3=27-3=24\) है। परीक्षा में घात निकालकर वर्तमान (n) घटाएँ।
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