अनुक्रम \(7,19,31,43,\ldots\) में (151) कौन-सा पद है?
In the sequence \(7,19,31,43,\ldots\) which term is (151)?
Explanation opens after your attempt
B. तेरहवाँ पद(13)th term
Concept
Its rule is \(a_n=12n-5\) and (12n-5=151) gives (n=13). In exams equate the given term to the general term.
Why this answer is correct
The correct answer is B. तेरहवाँ पद / (13)th term. Its rule is \(a_n=12n-5\) and (12n-5=151) gives (n=13). In exams equate the given term to the general term.
Exam Tip
इसका नियम \(a_n=12n-5\) है और (12n-5=151) से (n=13) है। परीक्षा में दिए पद को सामान्य पद के बराबर रखें।
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