अनुक्रम \(0,3,8,15,24,\ldots\) का सामान्य पद कौन सा है?
What is the general term of the sequence \(0,3,8,15,24,\ldots\)?
Explanation opens after your attempt
A. \(a_n=n^2-1\)
Concept
The terms are \(1^2-1,2^2-1,3^2-1,\ldots\). Exam tip: quickly recognize sequences near perfect squares.
Why this answer is correct
The correct answer is A. \(a_n=n^2-1\). The terms are \(1^2-1,2^2-1,3^2-1,\ldots\). Exam tip: quickly recognize sequences near perfect squares.
Exam Tip
यह पद \(1^2-1,2^2-1,3^2-1,\ldots\) के रूप में हैं। वर्गों के पास वाले अनुक्रम को तुरंत पहचानें।
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