किस समानांतर श्रेढ़ी का समान अंतर (-6) है?
Which arithmetic progression has common difference (-6)?
Explanation opens after your attempt
A. \(18,12,6,0,\ldots\)
Concept
In \(18,12,6,0,\ldots\), (6) is subtracted each time, so (d=-6). The sign is very important in common difference.
Why this answer is correct
The correct answer is A. \(18,12,6,0,\ldots\). In \(18,12,6,0,\ldots\), (6) is subtracted each time, so (d=-6). The sign is very important in common difference.
Exam Tip
\(18,12,6,0,\ldots\) में हर बार (6) घट रहा है, इसलिए (d=-6)। समान अंतर में चिह्न बहुत महत्वपूर्ण है।
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