यदि \(a_1=2\), \(a_2=5\) और \(a_n=a_{n-1}+a_{n-2}+1\) है तो \(a_5\) क्या होगा?
If \(a_1=2\), \(a_2=5\), and \(a_n=a_{n-1}+a_{n-2}+1\), what is \(a_5\)?
Explanation opens after your attempt
C. (22)
Concept
The terms are (2,5,8,14,23), so \(a_5=23\). Include the extra (1) at each step.
Why this answer is correct
The correct answer is C. (22). The terms are (2,5,8,14,23), so \(a_5=23\). Include the extra (1) at each step.
Exam Tip
पद (2,5,8,14,23) नहीं बल्कि \(a_5=23\) है। जोड़ में अतिरिक्त (1) हर चरण शामिल करें।
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