यदि \(M_1=1\) और \(M_n=3M_{n-1}+n\) है, तो \(M_3\) का मान क्या होगा?
If \(M_1=1\) and \(M_n=3M_{n-1}+n\), what is the value of \(M_3\)?
Explanation opens after your attempt
D. अठारह(18)
Concept
\(M_2=5\) and \(M_3=18\). In exams, add (n) after multiplying by (3).
Why this answer is correct
The correct answer is D. अठारह / (18). \(M_2=5\) and \(M_3=18\). In exams, add (n) after multiplying by (3).
Exam Tip
\(M_2=5\) और \(M_3=18\) है। परीक्षा में गुणा (3) के बाद (n) जोड़ें।
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