अनुक्रम \(6,9,14,21,\ldots\) के लिए कौन सा पुनरावर्ती नियम सही है?
Which recursive rule is correct for the sequence \(6,9,14,21,\ldots\)?
Explanation opens after your attempt
Correct Answer
B. \(a_1=6, a_{n+1}=a_n+2n+1\)
Concept
The additions are (3,5,7), so the rule is \(a_{n+1}=a_n+2n+1\). Exam tip: check both first term and changing addition.
Why this answer is correct
The correct answer is B. \(a_1=6, a_{n+1}=a_n+2n+1\). The additions are (3,5,7), so the rule is \(a_{n+1}=a_n+2n+1\). Exam tip: check both first term and changing addition.
Exam Tip
यहाँ जोड़ (3,5,7) हैं इसलिए नियम \(a_{n+1}=a_n+2n+1\) है। पहले पद और बदलते जोड़ दोनों देखें।
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