Question
Download Solution PDFएक गुणोत्तर श्रेणी (GP) में 200 पद हैं। यदि इस GP के विषम पदों का योगफल m है, और सम पदों का योगफल n है, तो इसका सार्व अनुपात क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFअवधारणा:
यदि a1, a2, ….., an , GP में है तो सार्वअनुपात इस प्रकार होगा: r = ai + 1 / ai ∀ i =1, 2, …., n - 1.
एक GP का nth पद होगा : an = arn - 1, जहाँ a प्रथम पद है और r सार्वअनुपात है।
गणना:
दिया है: यदि GP के विषम पदों का योग m है, और GP के सम पदों का योग n है
⇒ r = n / m.
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