अनुक्रम \(6,11,19,30,\ldots\) के लिए कौन सा पुनरावर्ती नियम सही है?
Which recursive rule is correct for the sequence \(6,11,19,30,\ldots\)?
Explanation opens after your attempt
D. \(a_1=6, a_{n+1}=a_n+3n+2\)
Concept
The additions are (5,8,11), so (3n+2) is added. Exam tip: match both the first term and changing additions.
Why this answer is correct
The correct answer is D. \(a_1=6, a_{n+1}=a_n+3n+2\). The additions are (5,8,11), so (3n+2) is added. Exam tip: match both the first term and changing additions.
Exam Tip
जोड़ (5,8,11) हैं इसलिए (3n+2) जुड़ता है। पहला पद और बदलते जोड़ दोनों मिलाएँ।
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