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desiguy
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An = 1/x - (1/x+1) What is the sum of the first 100 12 Nov 2005, 22:39
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An = 1/x - (1/x+1)

What is the sum of the first 100 numbers..ie A1, A2, ... A100 inclusive?

1
99/100
100/101
??
??



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HIMALAYA
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An = 1/x - (1/x+1) What is the sum of the first 100 12 Nov 2005, 23:20
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desiguy
An = 1/x - (1/x+1)

What is the sum of the first 100 numbers..ie A1, A2, ... A100 inclusive?

1
99/100
100/101
??
??
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what is x??????? it is incomplete.................
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laxieqv
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An = 1/x - (1/x+1) What is the sum of the first 100 12 Nov 2005, 23:55
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desiguy
An = 1/x - (1/x+1)

What is the sum of the first 100 numbers..ie A1, A2, ... A100 inclusive?

1
99/100
100/101
??
??
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is x<>0 ???
(1/x+1) or 1/(x+1)???
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angels624
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An = 1/x - (1/x+1) What is the sum of the first 100 13 Nov 2005, 23:57
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A1=1 - 1/2
A2=1/2-1/3
.
.
.
.
.
.
A100=1/100-1/101
------------------------
A1+A2+....+A100 = 1-1/2+1/2-1/3+1/3........+1/100-1/101
=1-1/101
= 100/101
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An = 1/x - (1/x+1) What is the sum of the first 100 14 Nov 2005, 03:10
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lets see

we can sum it up as (1-1/2) + (1/2-1/3) + (1/3-1/4) +..........(1/100 -1/101)

= 1-1/101

=100/101

so C is the answer.
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desiguy
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An = 1/x - (1/x+1) What is the sum of the first 100 14 Nov 2005, 07:55
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x would be 1, 2, 3, ....100

So, A1 = 1-1/2...



HIMALAYA
desiguy
An = 1/x - (1/x+1)

What is the sum of the first 100 numbers..ie A1, A2, ... A100 inclusive?

1
99/100
100/101
??
??

what is x??????? it is incomplete.................
Show more



Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!