समानांतर श्रेढ़ी \(6,10,14,18,\ldots\) में (38) कौन-सा पद है?
In the arithmetic progression \(6,10,14,18,\ldots\), which term is (38)?
Explanation opens after your attempt
A. (9)वाँ(9)th
Concept
(a_n=6+(n-1)4), and (6+4(n-1)=38) gives (n=9). When position is asked, set the given term equal to \(a_n\).
Why this answer is correct
The correct answer is A. (9)वाँ / (9)th. (a_n=6+(n-1)4), and (6+4(n-1)=38) gives (n=9). When position is asked, set the given term equal to \(a_n\).
Exam Tip
(a_n=6+(n-1)4) और (6+4(n-1)=38) से (n=9)। पद का स्थान पूछे तो दिए पद को \(a_n\) के बराबर रखें।
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