यदि \(a_1=4\) और \(a_{n+1}=a_n^2-2a_n\) है तो \(a_2\) क्या होगा?
If \(a_1=4\) and \(a_{n+1}=a_n^2-2a_n\), what is \(a_2\)?
Explanation opens after your attempt
B. (8)
Concept
\(a_2=4^2-2\times4=8\). Exam tip: square the term and subtract twice that term.
Why this answer is correct
The correct answer is B. (8). \(a_2=4^2-2\times4=8\). Exam tip: square the term and subtract twice that term.
Exam Tip
\(a_2=4^2-2\times4=8\) है। वर्ग लेकर उसी पद का दोगुना घटाएँ।
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