यदि \(a_1=2\), \(a_2=5\) और \(a_n=a_{n-1}+a_{n-2}+1\) है तो \(a_4\) क्या होगा?
If \(a_1=2\), \(a_2=5\), and \(a_n=a_{n-1}+a_{n-2}+1\), what is \(a_4\)?
Explanation opens after your attempt
D. (14)
Concept
\(a_3=5+2+1=8\) and \(a_4=8+5+1=14\). Exam tip: add (1) along with the previous two terms.
Why this answer is correct
The correct answer is D. (14). \(a_3=5+2+1=8\) and \(a_4=8+5+1=14\). Exam tip: add (1) along with the previous two terms.
Exam Tip
\(a_3=5+2+1=8\) और \(a_4=8+5+1=14\) है। पिछले दो पदों के साथ (1) भी जोड़ें।
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