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the sum n terms of the series root2+root8+ root 18+root 32
Asked by srilakshmivytla28 | 10 Sep, 2023, 09:19: AM
answered-by-expert Expert Answer
square root of 2 plus square root of 8 plus square root of 18 plus square root of 32 plus.... equals square root of 2 plus 2 square root of 2 plus 3 square root of 2 plus 4 square root of 2 plus.... equals square root of 2 open parentheses 1 plus 2 plus 3 plus 4 plus.... close parentheses now space consider 1 plus 2 plus 3 plus 4 plus... straight a space equals space 1 straight d space equals space 1 straight s subscript straight n equals straight n over 2 open parentheses 2 straight a plus open parentheses straight n minus 1 close parentheses straight d close parentheses equals straight n over 2 open parentheses 2 plus open parentheses straight n minus 1 close parentheses close parentheses equals straight n over 2 open parentheses straight n plus 1 close parentheses Hence comma square root of 2 plus square root of 8 plus square root of 18 plus square root of 32 plus.... equals square root of 2 cross times straight n over 2 open parentheses straight n plus 1 close parentheses
Answered by Arun | 11 Sep, 2023, 10:11: AM

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ICSE 10 - Maths
the sum n terms of the series root2+root8+ root 18+root 32
Asked by srilakshmivytla28 | 10 Sep, 2023, 09:19: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
The 5th and 9th terms of an arithmetic progression are 4 and -12 respectively. Find (a) the first term (b) common difference (c) sum of 16 terms of the AP
Asked by varma.renu9481 | 13 Mar, 2023, 11:46: AM
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ICSE 10 - Maths
When do we use s=n/2(a+l) formula and when do we use s=n/2 x {2a+(n-1)d} formula in the sum of a.p?
Asked by rashikulkarni28 | 14 Aug, 2022, 04:32: PM
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ICSE 10 - Maths
In arithmetic progression , when we use s=n/2 [2a+(n-1)d] then why use a=(n-1)d formula?
Asked by rashikulkarni28 | 14 Aug, 2022, 04:30: PM
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ICSE 10 - Maths
Given 1/(1*2*3)+1/(2*3*4)+.....+1/(98*99*100)=a/b. Find (b-a).
Asked by arpitadas4117 | 17 Jan, 2022, 02:13: PM
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ICSE 10 - Maths
mrs gupta replace her total lone of 1,18000 by paying instalments every month. if the instalment for first month is 1000 and it increase by 100 every month ? what amount of lone she still has to pay after the 30 th instalment
Asked by preeti31122005 | 14 Aug, 2021, 01:08: PM
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ICSE 10 - Maths
the sum of first 6 terms of an A.P is 63 .The ratio of the 10th term to the 20th term is 1:2 . calculate the first and the 15th terms
Asked by savithakotari962 | 08 Feb, 2021, 08:40: PM
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ICSE 10 - Maths
  The algebraic expression of a sequence is 81-8n. What is 10th term What is the sum of 1st 10 terms whether the sum of any number of terms of the sequence will be 400? Why?
Asked by stehyeapen | 19 Oct, 2020, 01:11: PM
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ICSE 10 - Maths
The sum of n natural number is 5n2 - 4n, find its 8th term
Asked by ruchitripathi96167 | 22 Sep, 2020, 12:16: PM
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ICSE 10 - Maths
Find the sum of all even numbers between 10 and 100.
Asked by suneelmsc | 29 Jun, 2020, 05:00: PM
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