यदि \(a_n=2n^2+5\) है तो \(a_5\) का मान क्या होगा?
If \(a_n=2n^2+5\) then what is the value of \(a_5\)?
Explanation opens after your attempt
C. (55)
Concept
\(a_5=2\times25+5=55\). In exams square first and then multiply by (2).
Why this answer is correct
The correct answer is C. (55). \(a_5=2\times25+5=55\). In exams square first and then multiply by (2).
Exam Tip
\(a_5=2\times25+5=55\) है। परीक्षा में वर्ग निकालकर (2) से गुणा करें।
Login to save your score, XP, coins and progress.
