यदि \(a_1=2\), \(a_2=3\) और \(a_n=a_{n-1}+n\) है तो \(a_5\) क्या होगा?
If \(a_1=2\), \(a_2=3\), and \(a_n=a_{n-1}+n\), what is \(a_5\)?
Explanation opens after your attempt
B. (14)
Concept
\(a_3=6\), \(a_4=10\), and \(a_5=15\). The correct option should include (15).
Why this answer is correct
The correct answer is B. (14). \(a_3=6\), \(a_4=10\), and \(a_5=15\). The correct option should include (15).
Exam Tip
\(a_3=6\), \(a_4=10\) और \(a_5=15\) नहीं बल्कि \(a_5=15\) है। विकल्पों में (15) होना चाहिए।
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