Persamaan kuadrat&nbsp;<img align="middle" alt="begin mathsize 14px style 2 x squared minus 8 x plus 3 equals 0 end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mn»2«/mn»«msup»«mi»x«/mi»«mn»2«/mn»«/msup»«mo»-«/mo»«mn»8«/mn»«mi»x«/mi»«mo»+«/mo»«mn»3«/mn»«mo»=«/mo»«mn»0«/mn»«/mrow»«/mstyle»«/math»" height="15" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -1px;" width="107" />&nbsp;

Diketahui:&nbsp;<img align="middle" alt="begin mathsize 14px style a equals 2 comma space b equals negative 8 comma space c equals 3 end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»a«/mi»«mo»=«/mo»«mn»2«/mn»«mo»,«/mo»«mo»§#160;«/mo»«mi»b«/mi»«mo»=«/mo»«mo»-«/mo»«mn»8«/mn»«mo»,«/mo»«mo»§#160;«/mo»«mi»c«/mi»«mo»=«/mo»«mn»3«/mn»«/mrow»«/mstyle»«/math»" height="12" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -2px;" width="132" />&nbsp;

Penyelesaian:

<img align="middle" alt="begin mathsize 14px style alpha plus beta equals fraction numerator negative b over denominator a end fraction equals fraction numerator negative left parenthesis negative 8 right parenthesis over denominator 2 end fraction equals 8 over 2 equals 4 end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»§#945;«/mi»«mo»+«/mo»«mi»§#946;«/mi»«mo»=«/mo»«mfrac»«mrow»«mo»-«/mo»«mi»b«/mi»«/mrow»«mi»a«/mi»«/mfrac»«mo»=«/mo»«mfrac»«mrow»«mo»-«/mo»«mo»(«/mo»«mo»-«/mo»«mn»8«/mn»«mo»)«/mo»«/mrow»«mn»2«/mn»«/mfrac»«mo»=«/mo»«mfrac»«mn»8«/mn»«mn»2«/mn»«/mfrac»«mo»=«/mo»«mn»4«/mn»«/mrow»«/mstyle»«/math»" height="33" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -11px;" width="202" />&nbsp;

<img align="middle" alt="begin mathsize 14px style alpha. beta equals c over a equals 3 over 2 end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»§#945;«/mi»«mo».«/mo»«mi»§#946;«/mi»«mo»=«/mo»«mfrac»«mi»c«/mi»«mi»a«/mi»«/mfrac»«mo»=«/mo»«mfrac»«mn»3«/mn»«mn»2«/mn»«/mfrac»«/mrow»«/mstyle»«/math»" height="30" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -11px;" width="87" />&nbsp;

<img align="middle" alt="begin mathsize 14px style 1 over alpha plus 1 over beta equals fraction numerator beta plus alpha over denominator alpha. beta end fraction equals fraction numerator alpha plus beta over denominator alpha. beta end fraction equals fraction numerator 4 over denominator begin display style 3 over 2 end style end fraction equals 4 cross times 2 over 3 equals 8 over 3 end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mfrac»«mn»1«/mn»«mi»§#945;«/mi»«/mfrac»«mo»+«/mo»«mfrac»«mn»1«/mn»«mi»§#946;«/mi»«/mfrac»«mo»=«/mo»«mfrac»«mrow»«mi»§#946;«/mi»«mo»+«/mo»«mi»§#945;«/mi»«/mrow»«mrow»«mi»§#945;«/mi»«mo».«/mo»«mi»§#946;«/mi»«/mrow»«/mfrac»«mo»=«/mo»«mfrac»«mrow»«mi»§#945;«/mi»«mo»+«/mo»«mi»§#946;«/mi»«/mrow»«mrow»«mi»§#945;«/mi»«mo».«/mo»«mi»§#946;«/mi»«/mrow»«/mfrac»«mo»=«/mo»«mfrac»«mn»4«/mn»«mstyle displaystyle=¨true¨»«mfrac»«mn»3«/mn»«mn»2«/mn»«/mfrac»«/mstyle»«/mfrac»«mo»=«/mo»«mn»4«/mn»«mo»§#215;«/mo»«mfrac»«mn»2«/mn»«mn»3«/mn»«/mfrac»«mo»=«/mo»«mfrac»«mn»8«/mn»«mn»3«/mn»«/mfrac»«/mrow»«/mstyle»«/math»" height="50" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -31px;" width="283" />&nbsp;

<img align="middle" alt="begin mathsize 14px style alpha squared plus beta squared equals left parenthesis alpha plus beta right parenthesis squared minus 2 left parenthesis alpha. beta right parenthesis equals left parenthesis 4 right parenthesis squared minus 2 left parenthesis 3 over 2 right parenthesis equals 16 minus 3 equals 13 end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«msup»«mi»§#945;«/mi»«mn»2«/mn»«/msup»«mo»+«/mo»«msup»«mi»§#946;«/mi»«mn»2«/mn»«/msup»«mo»=«/mo»«msup»«mrow»«mo»(«/mo»«mi»§#945;«/mi»«mo»+«/mo»«mi»§#946;«/mi»«mo»)«/mo»«/mrow»«mn»2«/mn»«/msup»«mo»-«/mo»«mn»2«/mn»«mo»(«/mo»«mi»§#945;«/mi»«mo».«/mo»«mi»§#946;«/mi»«mo»)«/mo»«mo»=«/mo»«msup»«mrow»«mo»(«/mo»«mn»4«/mn»«mo»)«/mo»«/mrow»«mn»2«/mn»«/msup»«mo»-«/mo»«mn»2«/mn»«mo»(«/mo»«mfrac»«mn»3«/mn»«mn»2«/mn»«/mfrac»«mo»)«/mo»«mo»=«/mo»«mn»16«/mn»«mo»-«/mo»«mn»3«/mn»«mo»=«/mo»«mn»13«/mn»«/mrow»«/mstyle»«/math»" height="30" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -11px;" width="352" />&nbsp;

&nbsp;

Diketahui <img align="middle" alt="begin mathsize 14px style alpha end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»§#945;«/mi»«/mstyle»«/math»" height="8" role="math" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAAICAYAAAAvOAWIAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAHXkAHPQAAAHxJREFUeNpjYEAFWkC8AYi/AXEOVEwciGcCMROywkggngvEbEAcDsS/oOwSNAMZhIH4FhCzIIktBOJNQKyHrjgUKokMYoH4EgMWEATE05D4HEB8AYhvADEXumJBID4OxDxALAvEO4A4D+qMNGym20JNegjE0VAxP6ghpAMA7k0TlPp8Wj8AAABwdEVYdE1hdGhNTAA8bWF0aCB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMTk5OC9NYXRoL01hdGhNTCI+PG1zdHlsZSBtYXRoc2l6ZT0iMTRweCI+PG1pPiYjeDNCMTs8L21pPjwvbXN0eWxlPjwvbWF0aD79f24lAAAAAElFTkSuQmCC" style="max-width: none; vertical-align: -1px;" width="11" /> dan <img align="middle" alt="begin mathsize 14px style beta end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»§#946;«/mi»«/mstyle»«/math»" height="13" role="math" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAANCAYAAAB7AEQGAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAKIPF7gAAAAJdJREFUeNpjYEAF9kB8CYh/AfFhIBZHk2dQAuIzQCwLxExAvBuIY9EVTQHiSCT+JiC2Rld0DYiloaZEA/FsdAUgiW9Q+g8QvwbieHRF5kC8H0mDIxA/B2I9ZEUgt8xH01iO7vBJQJyBpmguELshC6wD4r1Qh7MBcQnUtyjgHRCHA/EHaFgloitgg0riBV5Q6/CCeKjDcQIA76ga2t77VzAAAABwdEVYdE1hdGhNTAA8bWF0aCB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMTk5OC9NYXRoL01hdGhNTCI+PG1zdHlsZSBtYXRoc2l6ZT0iMTRweCI+PG1pPiYjeDNCMjs8L21pPjwvbXN0eWxlPjwvbWF0aD6LmlcYAAAAAElFTkSuQmCC" style="max-width: none; vertical-align: -3px;" width="9" /> adalah akar-akar persamaan kuadrat berikut. Tentukan nilai <img align="middle" alt="begin mathsize 14px style alpha plus beta end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»§#945;«/mi»«mo»+«/mo»«mi»§#946;«/mi»«/mrow»«/mstyle»«/math»" height="13" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -3px;" width="35" />, <img align="middle" alt="begin mathsize 14px style alpha times beta end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»§#945;«/mi»«mo»§#183;«/mo»«mi»§#946;«/mi»«/mrow»«/mstyle»«/math»" height="13" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -3px;" width="28" />, <img align="middle" alt="begin mathsize 14px style 1 over alpha plus 1 over beta end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mfrac»«mn»1«/mn»«mi»§#945;«/mi»«/mfrac»«mo»+«/mo»«mfrac»«mn»1«/mn»«mi»§#946;«/mi»«/mfrac»«/mrow»«/mstyle»«/math»" height="33" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -14px;" width="47" />, dan <img align="middle" alt="begin mathsize 14px style alpha squared plus beta squared end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«msup»«mi»§#945;«/mi»«mn»2«/mn»«/msup»«mo»+«/mo»«msup»«mi»§#946;«/mi»«mn»2«/mn»«/msup»«/mrow»«/mstyle»«/math»" height="17" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -3px;" width="47" />.

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