यदि \(a_1=7\) और \(a_{n+1}=3a_n-2n\) है तो \(a_2\) क्या होगा?
If \(a_1=7\) and \(a_{n+1}=3a_n-2n\), what is \(a_2\)?
Explanation opens after your attempt
B. (19)
Concept
\(a_2=3\times7-2\times1=19\). Exam tip: use (n=1) for the next term.
Why this answer is correct
The correct answer is B. (19). \(a_2=3\times7-2\times1=19\). Exam tip: use (n=1) for the next term.
Exam Tip
\(a_2=3\times7-2\times1=19\) है। अगले पद के लिए (n=1) रखें।
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