यदि \(a_1=3\) और \(a_{n+1}=a_n+n^2\) है तो \(a_5\) क्या होगा?
If \(a_1=3\) and \(a_{n+1}=a_n+n^2\), what is \(a_5\)?
Explanation opens after your attempt
Correct Answer
B. (30)
Concept
The terms are (3,4,8,17,33), so \(a_5=33\). Exam tip: add \(1^2,2^2,3^2,4^2\) in order.
Why this answer is correct
The correct answer is B. (30). The terms are (3,4,8,17,33), so \(a_5=33\). Exam tip: add \(1^2,2^2,3^2,4^2\) in order.
Exam Tip
पद (3,4,8,17,33) नहीं बल्कि \(a_5=33\) है। वर्ग जोड़ते समय \(1^2,2^2,3^2,4^2\) जोड़ें।
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