यदि \(a_n=2n^2+3n\) है, तो \(a_5\) क्या होगा?
If \(a_n=2n^2+3n\), what is \(a_5\)?
Explanation opens after your attempt
C. (65)
Concept
(a_5=2(5)2+3(5)=65). Calculate the square first and then add the remaining term.
Why this answer is correct
The correct answer is C. (65). (a_5=2(5)2+3(5)=65). Calculate the square first and then add the remaining term.
Exam Tip
(a_5=2(5)2+3(5)=65)। वर्ग की गणना पहले करें फिर बाकी पद जोड़ें।
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