यदि \(a_1=9\) और \(a_{n+1}=a_n+a_1+n^2\) है तो \(a_2\) क्या होगा?
If \(a_1=9\) and \(a_{n+1}=a_n+a_1+n^2\), what is \(a_2\)?
Explanation opens after your attempt
B. (19)
Concept
\(a_2=9+9+1=19\). Exam tip: \(a_1\) stays fixed while \(n^2\) changes.
Why this answer is correct
The correct answer is B. (19). \(a_2=9+9+1=19\). Exam tip: \(a_1\) stays fixed while \(n^2\) changes.
Exam Tip
\(a_2=9+9+1=19\) है। \(a_1\) स्थिर रहता है और \(n^2\) बदलता है।
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