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Data Sufficiency (DS) | The numbers a, b, and c are all non-zero integers. Is a > 0?

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Bunuel chetan2u VeritasPrepKarishma amanvermagmat niks18


Quote:

The numbers a, b, and c are all non-zero integers. Is a > 0?

(1) a = b^2
(2) \(a=\sqrt{c}\)

Is this approach correct for St 2?

\(\sqrt{4}\) = 2
\(\sqrt{4}\) = -2

My both conditions of all three numbers as non-zero integers are satisfied and
I am still getting two values for a.

I did not understand this part of OE:
since the square root symbol is printed as part of the problem, the output of the sqrt{c} must be positive.
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