अनुक्रम \(2,8,18,32,50,\ldots\) में \(a_n=2n^2\) है। (14)वाँ पद क्या होगा?
In the sequence \(2,8,18,32,50,\ldots\), \(a_n=2n^2\). What will be the (14)th term?
Explanation opens after your attempt
D. (392)
Concept
\(a_{14}=2\times14^2=392\). Exam tip: square first and then multiply.
Why this answer is correct
The correct answer is D. (392). \(a_{14}=2\times14^2=392\). Exam tip: square first and then multiply.
Exam Tip
\(a_{14}=2\times14^2=392\) है। वर्ग निकालकर फिर गुणा करें।
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