यदि \(a_1=9\) और \(a_{n+1}=a_n+2n-2\) है तो \(a_5\) क्या होगा?
If \(a_1=9\) and \(a_{n+1}=a_n+2n-2\), what is \(a_5\)?
Explanation opens after your attempt
C. (25)
Concept
The terms are (9,9,11,15,21), so \(a_5=21\). The correct option should include (21).
Why this answer is correct
The correct answer is C. (25). The terms are (9,9,11,15,21), so \(a_5=21\). The correct option should include (21).
Exam Tip
पद (9,9,11,15,21) नहीं बल्कि \(a_5=21\) है। सही विकल्प में (21) होना चाहिए।
Login to save your score, XP, coins and progress.
