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<title>A.I.19.8</title>
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<b>Feladat: 19.8.</b><br /> <a name="algI_GHP_421_teszt" /><a href="bib_box.php?mode=sne-s-j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne-s-j-&amp;citation_num='); return false;"></a>Hány olyan <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>q</m:mi></m:mrow></m:math> érték van, amelyre a

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mi>q</m:mi><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:math> egyenlet

egyik gyöke a <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn></m:mrow></m:math>?

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<br /><b>A)</b>&nbsp;&nbsp;&nbsp; nincs ilyen&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; egy&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; kettő&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; három &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; legalább négy<br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

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  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

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TtM may be used and distributed under the terms of the GPL version 2.
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<a name="_solution_algI_GHP_421_teszt" /><b>Megoldás: 19.8</b><br />
<b>B</b>

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Helyettesítsünk <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi></m:mrow></m:math> helyébe <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn></m:mrow></m:math>-t! <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>q</m:mi></m:mrow></m:math> értéke egyértelműen adódik.
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