Extracting Informations

Extracting informations

 

Information extraction (IE) is the task of automatically extracting structured information from unstructured and/or semi-structured machine-readable documents. In most of the cases this activity concerns processing human language texts by means of natural language processing (NLP).


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He Many Real Roots Does The Quadratic Equation X2 +5 +7=0

He many real roots does the quadratic equation x2 +5 +7=0   ANSWER : Only imaginary roots satisfy the equation and these are +2√3¡ and -2√3¡. STEP BY STEP EXPLANATION : X^2 + 5 + 7 = 0 X^2 + 12 = 0 X^2 = 0 - 12 X^2 = -12 X = ±√(-12) X = +2√3¡ X = -2√3¡ Therefore, only imaginary roots satisfy the equation and these are +2√3¡ and -2√3¡. OK.
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