Which sequence has (d=-\frac{4}{5})?किस अनुक्रम में (d=-\frac{4}{5}) है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (3,\frac{11}{5},\frac{7}{5},\frac{3}{5},\ldots)(3,\frac{11}{5},\frac{7}{5},\frac{3}{5},\ldots)
In the first option, (\frac{11}{5}-3=-\frac{4}{5}), and the next difference is also (-\frac{4}{5}). Use common denominators while subtracting fractions.पहले विकल्प में (\frac{11}{5}-3=-\frac{4}{5}) और अगला अंतर भी (-\frac{4}{5}) है। भिन्नों में हर समान करके घटाएं।
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