अनुक्रम \(9,16,25,36,\ldots\) का सामान्य पद क्या है?
What is the general term of the sequence \(9,16,25,36,\ldots\)?
Explanation opens after your attempt
B. (a_n=(n+2)2)
Concept
These terms are \(3^2,4^2,5^2,6^2\) so (a_n=(n+2)2). In exams recognize shifted square numbers.
Why this answer is correct
The correct answer is B. (a_n=(n+2)2). These terms are \(3^2,4^2,5^2,6^2\) so (a_n=(n+2)2). In exams recognize shifted square numbers.
Exam Tip
ये पद \(3^2,4^2,5^2,6^2\) हैं इसलिए (a_n=(n+2)2) है। परीक्षा में स्थानांतरित वर्ग संख्याएँ पहचानें।
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