यदि \(c_1=2\), \(c_2=5\) और \(c_n=c_{n-1}+2c_{n-2}+n\) है, तो \(c_5\) का मान क्या होगा?
If \(c_1=2\), \(c_2=5\), and \(c_n=c_{n-1}+2c_{n-2}+n\), what is the value of \(c_5\)?
Explanation opens after your attempt
D. पचपन(55)
Concept
\(c_3=12\), \(c_4=26\), and \(c_5=55\). In exams, multiply the second previous term by (2).
Why this answer is correct
The correct answer is D. पचपन / (55). \(c_3=12\), \(c_4=26\), and \(c_5=55\). In exams, multiply the second previous term by (2).
Exam Tip
\(c_3=12\), \(c_4=26\) और \(c_5=55\) मिलता है। परीक्षा में दूसरे पिछले पद को (2) से गुणा करें।
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