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0\ \ for\ \ any\ \ real\ \ x,\ \ according\ \ to\ \ the\ \ fact\ \ that\\\\D=(-1)^2-4*3<0" alt="x^2-x+3>0\ \ for\ \ any\ \ real\ \ x,\ \ according\ \ to\ \ the\ \ fact\ \ that\\\\D=(-1)^2-4*3<0" align="absmiddle" class="latex-formula">
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Answer: