यदि \(a_1=2\), \(a_2=3\) और \(a_n=2a_{n-1}+3a_{n-2}\) है तो \(a_4\) क्या होगा?
If \(a_1=2\), \(a_2=3\), and \(a_n=2a_{n-1}+3a_{n-2}\), what is \(a_4\)?
Explanation opens after your attempt
C. (33)
Concept
\(a_3=2\times3+3\times2=12\) and \(a_4=2\times12+3\times3=33\). Exam tip: apply coefficients to the correct terms.
Why this answer is correct
The correct answer is C. (33). \(a_3=2\times3+3\times2=12\) and \(a_4=2\times12+3\times3=33\). Exam tip: apply coefficients to the correct terms.
Exam Tip
\(a_3=2\times3+3\times2=12\) और \(a_4=2\times12+3\times3=33\) है। गुणांकों को सही पदों पर लगाएँ।
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