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Ps [#permalink] New post 15 Dec 2003, 13:12
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If r=3p+q/2 and s =p-q. For which of the following values of p would r^2 = s^2 ?

A) q тАУ 1
B)3q
C)10-3/2q
D)1/5q
E)9/2q-9
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shubhangi

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 [#permalink] New post 16 Dec 2003, 04:22
We have 2 options: r=s and r=-s

or 3p+q/2=p-q and 3p+q/2=- (p-q), it gives p=-3q/4 or p=q/8.
None of the answers you provided mathes, so you better check them


If r=3p+q/2 and s =p-q. For which of the following values of p would r^2 = s^2 ?

A) q тАУ 1
B)3q
C)10-3/2q
D)1/5q
E)9/2q-9
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me

  [#permalink] 16 Dec 2003, 04:22
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