यदि \(a_n=2n^2+3\) है, तो \(a_4\) का मान क्या होगा?
If \(a_n=2n^2+3\), what is the value of \(a_4\)?
Explanation opens after your attempt
D. (35)
Concept
\(a_4=2\times16+3=35\). In exams, square first and multiply by (2).
Why this answer is correct
The correct answer is D. (35). \(a_4=2\times16+3=35\). In exams, square first and multiply by (2).
Exam Tip
\(a_4=2\times16+3=35\) है। परीक्षा में वर्ग निकालकर (2) से गुणा करें।
Login to save your score, XP, coins and progress.
