यदि \(a_1=6\) और \(a_{n+1}=a_n+a_1+n^2\) है तो \(a_3\) क्या होगा?
If \(a_1=6\) and \(a_{n+1}=a_n+a_1+n^2\), what is \(a_3\)?
Explanation opens after your attempt
C. (23)
Concept
\(a_2=6+6+1=13\) and \(a_3=13+6+4=23\). Exam tip: \(a_1\) remains fixed.
Why this answer is correct
The correct answer is C. (23). \(a_2=6+6+1=13\) and \(a_3=13+6+4=23\). Exam tip: \(a_1\) remains fixed.
Exam Tip
\(a_2=6+6+1=13\) और \(a_3=13+6+4=23\) है। \(a_1\) स्थिर रहता है।
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