यदि \(a_1=2\) और \(a_{n+1}=a_n+5n-1\) है तो \(a_4\) क्या होगा?
If \(a_1=2\) and \(a_{n+1}=a_n+5n-1\), what is \(a_4\)?
Explanation opens after your attempt
D. (29)
Concept
The terms are (2,6,15,29), so \(a_4=29\). Exam tip: add the changing values of (5n-1).
Why this answer is correct
The correct answer is D. (29). The terms are (2,6,15,29), so \(a_4=29\). Exam tip: add the changing values of (5n-1).
Exam Tip
पद (2,6,15,29) हैं इसलिए \(a_4=29\) है। (5n-1) के बदलते मान जोड़ें।
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