यदि \(a_n=n^2+1\) है, तो \(a_3\) का मान क्या है?
If \(a_n=n^2+1\), what is the value of \(a_3\)?
Explanation opens after your attempt
D. (10)
Concept
Putting (n=3), \(a_3=3^2+1=10\). Square first, then add.
Why this answer is correct
The correct answer is D. (10). Putting (n=3), \(a_3=3^2+1=10\). Square first, then add.
Exam Tip
(n=3) रखने पर \(a_3=3^2+1=10\) है। पहले वर्ग निकालें, फिर जोड़ करें।
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