यदि \(a_1=2\) और \(a_{n+1}=n a_n+3\) है तो \(a_3\) क्या होगा?
If \(a_1=2\) and \(a_{n+1}=n a_n+3\), what is \(a_3\)?
Explanation opens after your attempt
C. (13)
Concept
\(a_2=1\times2+3=5\) and \(a_3=2\times5+3=13\). Exam tip: change (n) at each step.
Why this answer is correct
The correct answer is C. (13). \(a_2=1\times2+3=5\) and \(a_3=2\times5+3=13\). Exam tip: change (n) at each step.
Exam Tip
\(a_2=1\times2+3=5\) और \(a_3=2\times5+3=13\) है। (n) को हर चरण में बदलें।
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