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If (a_n) is an AP with common difference (4) and (b_n=2a_n-3), what is the common difference of (b_n)?यदि (a_n) एक समांतर श्रेणी है जिसका सामान्य अंतर (4) है और (b_n=2a_n-3), तो (b_n) का सामान्य अंतर क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (8)(8)
Multiplying terms by (2) multiplies the difference by (2), so it becomes (8). In exams, adding or subtracting a constant does not change the difference, but multiplication does.पदों को (2) से गुणा करने पर अंतर भी (2) गुना हो जाता है, इसलिए (8)। परीक्षा में जोड़ना-घटाना अंतर नहीं बदलता, गुणा बदलता है।
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