यदि समांतर श्रेणी में \(a_1=9\) और (d=8) है, तो \(a_4\) क्या होगा?
If an arithmetic progression has \(a_1=9\) and (d=8), what is \(a_4\)?
Explanation opens after your attempt
C. (33)
Concept
\(a_4=9+3\times8=33\). In exams, add three differences for the fourth term.
Why this answer is correct
The correct answer is C. (33). \(a_4=9+3\times8=33\). In exams, add three differences for the fourth term.
Exam Tip
\(a_4=9+3\times8=33\) है। परीक्षा में चौथे पद के लिए तीन अंतर जोड़ें।
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