यदि \(a_n=2n^2+3\) है, तो \(a_6\) क्या होगा?
If \(a_n=2n^2+3\), what is \(a_6\)?
Explanation opens after your attempt
A. (75)
Concept
Putting (n=6), (a_6=2\(6^2\)+3=75). Square first, then multiply and add.
Why this answer is correct
The correct answer is A. (75). Putting (n=6), (a_6=2\(6^2\)+3=75). Square first, then multiply and add.
Exam Tip
(n=6) रखने पर (a_6=2\(6^2\)+3=75) है। पहले वर्ग निकालें, फिर गुणा और जोड़ करें।
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