यदि \(a_1=6\) और \(a_{n+1}=a_n+a_1+n^2\) है तो \(a_4\) क्या होगा?
If \(a_1=6\) and \(a_{n+1}=a_n+a_1+n^2\), what is \(a_4\)?
Explanation opens after your attempt
B. (37)
Concept
The terms are (6,13,23,38), so \(a_4=38\). Exam tip: \(a_1\) stays fixed while \(n^2\) changes.
Why this answer is correct
The correct answer is B. (37). The terms are (6,13,23,38), so \(a_4=38\). Exam tip: \(a_1\) stays fixed while \(n^2\) changes.
Exam Tip
पद (6,13,23,38) हैं इसलिए \(a_4=38\) है। सही विकल्पों में (38) होना चाहिए।
Login to save your score, XP, coins and progress.
