यदि \(a_n=7^n\) है, तो \(a_2\) क्या होगा?
If \(a_n=7^n\), what is \(a_2\)?
Explanation opens after your attempt
C. (49)
Concept
\(a_2=7^2=49\). Put (2) in place of (n) in the exponential term.
Why this answer is correct
The correct answer is C. (49). \(a_2=7^2=49\). Put (2) in place of (n) in the exponential term.
Exam Tip
\(a_2=7^2=49\)। घात वाले पद में (n) की जगह (2) रखें।
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