यदि \(a_1=6\) और (a_{n+1}=a_n+(2n-1)) है तो \(a_5\) क्या होगा?
If \(a_1=6\) and (a_{n+1}=a_n+(2n-1)), what is \(a_5\)?
Explanation opens after your attempt
C. (22)
Concept
The terms are (6,7,10,15,22), so \(a_5=22\). Exam tip: (2n-1) adds (1,3,5,7).
Why this answer is correct
The correct answer is C. (22). The terms are (6,7,10,15,22), so \(a_5=22\). Exam tip: (2n-1) adds (1,3,5,7).
Exam Tip
पद (6,7,10,15,22) हैं इसलिए \(a_5=22\) है। (2n-1) से (1,3,5,7) जुड़ते हैं।
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