यदि \(a_1=6\) और \(a_{n+1}=a_n+\frac{a_n}{2}+n\) है तो \(a_3\) क्या होगा?
If \(a_1=6\) and \(a_{n+1}=a_n+\frac{a_n}{2}+n\), what is \(a_3\)?
Explanation opens after your attempt
B. (17)
Concept
\(a_2=6+3+1=10\) and \(a_3=10+5+2=17\). Exam tip: take half of the previous term and add (n).
Why this answer is correct
The correct answer is B. (17). \(a_2=6+3+1=10\) and \(a_3=10+5+2=17\). Exam tip: take half of the previous term and add (n).
Exam Tip
\(a_2=6+3+1=10\) और \(a_3=10+5+2=17\) है। पिछले पद का आधा लेकर (n) जोड़ें।
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