यदि \(a_1=3\) और \(a_{n+1}=n a_n+4\) है तो \(a_4\) क्या होगा?
If \(a_1=3\) and \(a_{n+1}=n a_n+4\), what is \(a_4\)?
Explanation opens after your attempt
D. (52)
Concept
\(a_2=7\), \(a_3=18\), and \(a_4=58\). Exam tip: the multiplier (n) changes at every step.
Why this answer is correct
The correct answer is D. (52). \(a_2=7\), \(a_3=18\), and \(a_4=58\). Exam tip: the multiplier (n) changes at every step.
Exam Tip
\(a_2=7\), \(a_3=18\) और \(a_4=58\) है। सही विकल्पों में (58) होना चाहिए।
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