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CBSE Class 11-science Answered

find sum
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Asked by sakshirana374 | 24 Jul, 2022, 17:39: PM
answered-by-expert Expert Answer
L e t space S equals 1 plus 4 over 5 plus 7 over 5 squared plus 10 over 5 cubed plus... space u p t o space n space t e r m s rightwards double arrow 1 fifth S equals 1 fifth plus 4 over 5 squared plus 7 over 5 cubed plus 10 over 5 to the power of 4 plus... rightwards double arrow S minus S over 5 equals 1 plus 3 over 5 plus 3 over 5 squared plus 3 over 5 cubed plus 3 over 5 to the power of 4 plus... space u p t o space n space t e r m s rightwards double arrow 4 over 5 S equals 1 plus 3 open parentheses 1 fifth plus 1 over 5 squared plus 1 over 5 cubed plus 1 over 5 to the power of 4 plus... space u p t o space n space t e r m s close parentheses equals 1 plus 3 open parentheses fraction numerator begin display style 1 fifth end style open parentheses 1 minus begin display style 1 over 5 to the power of n end style close parentheses over denominator begin display style 1 fifth end style end fraction close parentheses 1 plus 3 open parentheses 1 minus 1 over 5 to the power of n close parentheses S i m i l a r l y comma space 1 plus 4 over 5 plus 7 over 5 squared plus 10 over 5 cubed plus... infinity equals 1 plus fraction numerator 3 over denominator 5 open parentheses 1 minus 5 to the power of n close parentheses end fraction
Answered by Renu Varma | 24 Jul, 2022, 22:55: PM

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CBSE 11-science - Maths
what is the ans
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Asked by hridayjayaram085 | 31 Jan, 2024, 22:53: PM
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CBSE 11-science - Maths
find sum
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Asked by sakshirana374 | 24 Jul, 2022, 17:39: PM
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CBSE 11-science - Maths
If 7th term of a G.P. is 8 times the 4th term, find the common ratio of the G.P.
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CBSE 11-science - Maths
the product of three geometric means between 5 and 125 will be
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Asked by gurijoga368 | 28 Sep, 2020, 12:20: PM
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CBSE 11-science - Maths
a poitive integer has 1001 digits all of which are 1's . When this number is 1001 the remainder is ?
Asked by byaswanth2005 | 13 Jul, 2020, 21:08: PM
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CBSE 11-science - Maths
The sum of first two terms of GP is-1/64 and sum of first three terms is 3/64. What is the seventh term
Asked by kashishgarg2003 | 06 Jan, 2020, 15:28: PM
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CBSE 11-science - Maths
Sequence and Series:Plz solve,Ans:6
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Asked by vishakhachandan026 | 25 Jul, 2019, 09:33: AM
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CBSE 11-science - Maths
Insert three geometric means between 6 and 54
Asked by adilakshmimudraboina | 12 Jun, 2019, 17:33: PM
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CBSE 11-science - Maths
Ali added the following series if fraction.  How many more fraction in this series he must add to get the answer equal  to onevor more than one 1/2 + 1/4 + 1/8 +1/16 + 1/32 + 1/64
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CBSE 11-science - Maths
Please solve this question 
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Asked by vikasg13.hardware | 23 Jun, 2018, 17:46: PM
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