अनुक्रम \(4,9,16,25,\ldots\) का सामान्य पद क्या है?
What is the general term of the sequence \(4,9,16,25,\ldots\)?
Explanation opens after your attempt
A. (a_n=(n+1)2)
Concept
These terms are \(2^2,3^2,4^2,5^2\), so (a_n=(n+1)2). In exams, recognize shifted square numbers.
Why this answer is correct
The correct answer is A. (a_n=(n+1)2). These terms are \(2^2,3^2,4^2,5^2\), so (a_n=(n+1)2). In exams, recognize shifted square numbers.
Exam Tip
ये पद \(2^2,3^2,4^2,5^2\) हैं, इसलिए (a_n=(n+1)2) है। परीक्षा में वर्ग संख्याओं के स्थानांतरण को पहचानें।
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