Question
Download Solution PDFGP ची बेरीज शोधा:
4/5 , 4/25 , 4/125 , 4/625 ,... ते n अटी.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिले:
मालिका 4/5 , 4/25 , 4/125 , 4/625 ,... ते n टर्म आहे
वापरलेले सूत्र:
बेरीज = a (1 - r n ) / (1 - r )
जेथे a = प्रथम पद आणि r = सामान्य फरक
गणना:
सामान्य फरक (r) = (4/25) ÷ (4/5)
⇒ (1/5)
वरील फॉर्म्युलामध्ये r चे मूल्य टाकल्यास आपल्याला मिळते:
बेरीज =
⇒
⇒ (1 - (
म्हणून बरोबर उत्तर आहे "(1 - (
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