Question
Download Solution PDFएक ज्यामितीय श्रेणी का तीसरा पद 3 है। इसके पहले पांच पदों का गुणनफल क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
आइए अनुक्रम a1, a2, a3 …. an पर विचार करें, जो कि G.P. है
सार्व अनुपात = r =
गणना:
विचार करना,
(a = 3) G.P श्रृंखला का तीसरा पद हो
तो, हम पाँच शब्दों को इस प्रकार लिख सकते हैं,
तो, पाँच पदों (P) का गुणनफल होगा,
P =
तब से,
a = 3,
∴ पहले पाँच पदों का गुणनफल (P) = 35 = 243
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