यदि \(a_n=2\cdot4^{n-1}\) है, तो \(a_5\) का मान क्या होगा?
If \(a_n=2\cdot4^{n-1}\), what is the value of \(a_5\)?
Explanation opens after your attempt
C. (512)
Concept
\(a_5=2\cdot4^4=512\). First find the value of (n-1) in the exponent.
Why this answer is correct
The correct answer is C. (512). \(a_5=2\cdot4^4=512\). First find the value of (n-1) in the exponent.
Exam Tip
\(a_5=2\cdot4^4=512\)। घात में (n-1) का मान पहले निकालें।
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