किस समांतर श्रेणी में \(a_4=20\) और (d=6) है?
Which arithmetic progression has \(a_4=20\) and (d=6)?
Explanation opens after your attempt
A. \(2,8,14,20,\ldots\)
Concept
In \(2,8,14,20,\ldots\), the fourth term is (20) and the common difference is (6). Check options up to the required term.
Why this answer is correct
The correct answer is A. \(2,8,14,20,\ldots\). In \(2,8,14,20,\ldots\), the fourth term is (20) and the common difference is (6). Check options up to the required term.
Exam Tip
\(2,8,14,20,\ldots\) में चौथा पद (20) और समान अंतर (6) है। विकल्पों को पद-संख्या तक जांचें।
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