Write the negation of the following stat...

Write the negation of the following statements:
(i) p: For every real number `x, x^(2)gtx`.
(ii) q: There exists a rational number x such that `x^(2) = 2`.
(iii) r: All birds have wings.
(iv) s: All students study mathematics at the elementary level.

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MATHEMATICAL REASONING
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