Consider the statement: \( q \) : For any real numbers \( a \) and \( b, a^{2}=b^{2} \Rightarrow...

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Consider the statement:
\( q \) : For any real numbers \( a \) and \( b, a^{2}=b^{2} \Rightarrow a=b \).
By giving a counter-example, prove that \( q \) is false.
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