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Re: Is s = r? [#permalink]
Top Contributor
Bunuel wrote:
Is s = r?

(1)\(s^2 = r^2\)
(2) s is positive

(1)\(s^2 = r^2\);So | s |=| r |,here s and r could be positive or negative, so their value could not be equal,Not Sufficient

(2) s is positive ;no information about r,Not Sufficient

(1)+(2) Still value of r could be positive or negative , Not Sufficient

Correct Answer E
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Is s = r? [#permalink]
Bunuel wrote:
Is s = r?

(1) s^2 = r^2
(2) s is positive

1) \((-1)^2=1^2 && 1^2=1^2\) => NOT SUFFICIENT
2) No info about r => NOT SUFFICIENT
1) & 2) \(1^2=1^2 && 1^2=(-1)^2\)=> NOT SUFFICIENT

E :)
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Re: Is s = r? [#permalink]
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Re: Is s = r? [#permalink]
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