यदि \(a_n=6n+1\) है, तो \(a_9-a_4\) कितना होगा?
If \(a_n=6n+1\), what is \(a_9-a_4\)?
Explanation opens after your attempt
C. (30)
Concept
\(a_9=55\) and \(a_4=25\), so the difference is (30). Find both terms separately and subtract.
Why this answer is correct
The correct answer is C. (30). \(a_9=55\) and \(a_4=25\), so the difference is (30). Find both terms separately and subtract.
Exam Tip
\(a_9=55\) और \(a_4=25\), इसलिए अंतर (30) है। दोनों पद अलग निकालकर घटाएं।
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