यदि \(M_1=2\) और \(M_n=4M_{n-1}-n\) है, तो \(M_3\) का मान क्या होगा?
If \(M_1=2\) and \(M_n=4M_{n-1}-n\), what is the value of \(M_3\)?
Explanation opens after your attempt
B. इक्कीस(21)
Concept
\(M_2=6\) and \(M_3=21\). In exams, multiply by (4) and subtract the current (n).
Why this answer is correct
The correct answer is B. इक्कीस / (21). \(M_2=6\) and \(M_3=21\). In exams, multiply by (4) and subtract the current (n).
Exam Tip
\(M_2=6\) और \(M_3=21\) है। परीक्षा में (4) से गुणा करके वर्तमान (n) घटाएँ।
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