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      <mo id="p1.1.m1.1.2.1" xref="p1.1.m1.1.2.1.cmml">′</mo>
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    <annotation encoding="application/x-tex" id="p1.1.m1.1c">{\displaystyle f^{\prime}}</annotation>
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<math xmlns="http://www.w3.org/1998/Math/MathML" display="block" alttext="{\displaystyle f'}">
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    <annotation encoding="application/x-tex">{\displaystyle f'}</annotation>
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