यदि \(a_1=2\), \(a_2=4\) और \(a_n=a_{n-1}+a_{n-2}+n\) है तो \(a_3\) क्या होगा?
If \(a_1=2\), \(a_2=4\), and \(a_n=a_{n-1}+a_{n-2}+n\), what is \(a_3\)?
Explanation opens after your attempt
C. (9)
Concept
\(a_3=4+2+3=9\). Exam tip: add the current (n) along with the previous two terms.
Why this answer is correct
The correct answer is C. (9). \(a_3=4+2+3=9\). Exam tip: add the current (n) along with the previous two terms.
Exam Tip
\(a_3=4+2+3=9\) है। इस नियम में पिछले दो पदों के साथ वर्तमान (n) भी जोड़ें।
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