किस समानांतर श्रेढ़ी का (n)वाँ पद \(a_n=3n+8\) है?
Which arithmetic progression has (n)th term \(a_n=3n+8\)?
Explanation opens after your attempt
B. \(11,14,17,20,\ldots\)
Concept
Putting (n=1,2,3,4) gives (11,14,17,20). Form the first few terms from the rule and match.
Why this answer is correct
The correct answer is B. \(11,14,17,20,\ldots\). Putting (n=1,2,3,4) gives (11,14,17,20). Form the first few terms from the rule and match.
Exam Tip
(n=1,2,3,4) रखने पर (11,14,17,20) मिलते हैं। नियम से पहले कुछ पद बनाकर मिलाएं।
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