यदि \(r_1=1\), \(r_2=2\) और \(r_n=r_{n-1}+3r_{n-2}\) है, तो \(r_5\) का मान क्या होगा?
If \(r_1=1\), \(r_2=2\), and \(r_n=r_{n-1}+3r_{n-2}\), what is the value of \(r_5\)?
Explanation opens after your attempt
B. छब्बीस(26)
Concept
\(r_3=5\), \(r_4=11\), and \(r_5=26\). In exams, multiply the second previous term by (3).
Why this answer is correct
The correct answer is B. छब्बीस / (26). \(r_3=5\), \(r_4=11\), and \(r_5=26\). In exams, multiply the second previous term by (3).
Exam Tip
\(r_3=5\), \(r_4=11\) और \(r_5=26\) मिलता है। परीक्षा में दूसरे पिछले पद को (3) से गुणा करें।
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