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CBSE Class 11-science Answered

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Asked by pvsdeepak20056 | 25 Jun, 2020, 06:16: AM
answered-by-expert Expert Answer
It is given that a1, a2, a3, ...., an is a sequence of real numbers such that a1=0, |a2|=|a1 + 1|, a3=|a2 +1|, ...., an = |an-1 + 1|
We need to find the least value of the arithmetic mean of these numbers.
This can be solved as follows:
 
Answered by Renu Varma | 26 Jun, 2020, 05:31: PM

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CBSE 11-science - Maths
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Asked by pvsdeepak20056 | 25 Jun, 2020, 06:16: AM
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CBSE 11-science - Maths
1. Sum of 10 A.M's between 3,10 is..? 2.if (4x+4)/3, 2x+2,3x+3 are in G.P then 4th Term is.. 3.which term of 2-1/root2 +1/4 so on .. is 1/32. 4.sum to n terms of 3.5+4.7+5.9+ so on..
Asked by sridhark91 | 21 Apr, 2019, 11:35: AM
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CBSE 11-science - Maths
9th sum
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Asked by lovemaan5500 | 15 Jun, 2018, 07:05: AM
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CBSE 11-science - Maths
Define arithmetic mean for an A.P. a, b, c.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
If A1, A2, A3, …, An are n arithmetic means between a and b. Find the common difference between the terms.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
Find the arithmetic mean between .
Asked by Topperlearning User | 22 Nov, 2017, 10:01: AM
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CBSE 11-science - Maths
Find the number of arithmetic means between 7 and 71 in such a way that 5th mean is 27.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
Insert 6 numbers between – 6 and 29 such that the resulting sequence is an A.P.
Asked by Topperlearning User | 22 Nov, 2017, 10:04: AM
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CBSE 11-science - Maths
Between 1 and 31, n numbers have been inserted in such a way that the resulting sequence is an A. P. and the ratio of 7th and (n – 1)th numbers is 5 : 9. Find the value of n.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
If x, y, z are in A.P. A1 is the mean of x & y and A2 is the mean of y & z. Then prove that the mean of A1 and A2 is y.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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