यदि \(a_n=3n^2+4\) है तो \(a_5\) का मान क्या होगा?
If \(a_n=3n^2+4\) then what is the value of \(a_5\)?
Explanation opens after your attempt
C. (79)
Concept
\(a_5=3\times25+4=79\). In exams square first and then multiply by (3).
Why this answer is correct
The correct answer is C. (79). \(a_5=3\times25+4=79\). In exams square first and then multiply by (3).
Exam Tip
\(a_5=3\times25+4=79\) है। परीक्षा में वर्ग निकालकर (3) से गुणा करें।
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