यदि \(a_n=5n^2\) है, तो तीसरा पद क्या होगा?
If \(a_n=5n^2\), what is the third term?
Explanation opens after your attempt
C. (45)
Concept
\(a_3=5\times3^2=45\). In exams, square first and then multiply.
Why this answer is correct
The correct answer is C. (45). \(a_3=5\times3^2=45\). In exams, square first and then multiply.
Exam Tip
\(a_3=5\times3^2=45\) है। परीक्षा में पहले वर्ग निकालें फिर गुणा करें।
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