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S = 2/n 1/x + 2/3x In the expression above, if xn doesn't

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Manager
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S = 2/n 1/x + 2/3x In the expression above, if xn doesn't  [#permalink]

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New post 02 Mar 2007, 22:18
1
00:00
A
B
C
D
E

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(N/A)

Question Stats:

100% (00:34) correct 0% (00:00) wrong based on 9 sessions

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S = 2/n
1/x + 2/3x

In the expression above, if xn doesn't equal zero, what is the value of S?

1) X = 2n
2) N = 1/2

Note that 2/n is the numerator of 1/x + 2/3x.

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New post 03 Mar 2007, 09:13
I go with A too.

I simplified it to s = (6x/5n)

1) gives you answer s = 12/5 SUFF
2) gives you s = 12x/5 NOT SUFF
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New post 03 Mar 2007, 18:32
(A)

1) is enough to get the value of S but 2) is not enough unless we have value for X as well.

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Re: S = 2/n 1/x + 2/3x In the expression above, if xn doesn't  [#permalink]

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New post 27 Oct 2018, 01:45
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Re: S = 2/n 1/x + 2/3x In the expression above, if xn doesn't &nbs [#permalink] 27 Oct 2018, 01:45
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S = 2/n 1/x + 2/3x In the expression above, if xn doesn't

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