अनुक्रम \(6,9,14,21,\ldots\) का (n)वाँ पद कौन-सा है?
What is the (n)th term of the sequence \(6,9,14,21,\ldots\)?
Explanation opens after your attempt
A. \(n^2+5\)
Concept
The terms are \(1^2+5,2^2+5,3^2+5,\ldots\), so \(a_n=n^2+5\). Identify the square plus a constant.
Why this answer is correct
The correct answer is A. \(n^2+5\). The terms are \(1^2+5,2^2+5,3^2+5,\ldots\), so \(a_n=n^2+5\). Identify the square plus a constant.
Exam Tip
पद \(1^2+5,2^2+5,3^2+5,\ldots\) हैं, इसलिए \(a_n=n^2+5\)। वर्ग के साथ स्थिर जोड़ पहचानें।
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