यदि \(a_1=3\) और \(a_{n+1}=a_n^2-2a_n+4\) है तो \(a_3\) क्या होगा?
If \(a_1=3\) and \(a_{n+1}=a_n^2-2a_n+4\), what is \(a_3\)?
Explanation opens after your attempt
B. (39)
Concept
\(a_2=7\) and \(a_3=39\). Exam tip: square, subtract \(2a_n\), and add (4).
Why this answer is correct
The correct answer is B. (39). \(a_2=7\) and \(a_3=39\). Exam tip: square, subtract \(2a_n\), and add (4).
Exam Tip
\(a_2=7\) और \(a_3=39\) है। वर्ग निकालकर \(2a_n\) घटाएँ और (4) जोड़ें।
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