अनुक्रम \(a_n=7-0.5n\) का सामान्य अंतर क्या है?
What is the common difference of the sequence \(a_n=7-0.5n\)?
Explanation opens after your attempt
D. (-0.5)
Concept
The coefficient of (n) is (-0.5). In exams, treat a decimal coefficient as the common difference too.
Why this answer is correct
The correct answer is D. (-0.5). The coefficient of (n) is (-0.5). In exams, treat a decimal coefficient as the common difference too.
Exam Tip
(n) का गुणांक (-0.5) है। परीक्षा में दशमलव गुणांक को भी सामान्य अंतर की तरह लें।
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