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If s, 1/s, t, and 1/t are integers and s and t are not the same intege
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13 Dec 2021, 04:48
13 Dec 2021, 04:48
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If s, 1/s, t, and 1/t are integers and s and t are not the same integers, which of the following could be a value of st?
(A) 0
(B) 1
(C)2
(D) -1
(E) -2
(A) 0
(B) 1
(C)2
(D) -1
(E) -2
Re: If s, 1/s, t, and 1/t are integers and s and t are not the same intege
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13 Dec 2021, 09:28
13 Dec 2021, 09:28
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\(s, \frac{1}{s}, t,\) and \(\frac{1}{t}\) all are integers
\(s\) & \(t\) are not the same integers.
There are only two values possible. 1 & -1
Either value can be \(s\) or \(t\), and the multiplication will be \(-1\) always.
Answer D
\(s\) & \(t\) are not the same integers.
There are only two values possible. 1 & -1
Either value can be \(s\) or \(t\), and the multiplication will be \(-1\) always.
Answer D
gmatclubot
Re: If s, 1/s, t, and 1/t are integers and s and t are not the same intege [#permalink]
13 Dec 2021, 09:28
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