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Editing a true/false - math & science question by WIRIS
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Given <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»A«/mi»«mo»=«/mo»«mi»#A«/mi»«/math»</span> and <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»B«/mi»«mo»=«/mo»«mi»#B«/mi»«/math»</span>, <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«msup»«mfenced»«mrow»«mi»A«/mi»«mo»·«/mo»«msup»«mi»B«/mi»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«/mrow»«/mfenced»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«mo»=«/mo»«mi»B«/mi»«mo»·«/mo»«msup»«mi»A«/mi»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«/math»</span>. Is it true or false?
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Check it:<br /><br /><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mtable columnalign="left" rowspacing="0"»«mtr»«mtd»«mfenced close="}" open=""»«mtable»«mtr»«mtd»«msup»«mfenced»«mrow»«mi»A«/mi»«mo»·«/mo»«msup»«mi»B«/mi»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«/mrow»«/mfenced»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«mo»=«/mo»«msup»«mfenced»«mfenced»«mrow»«mi»#A«/mi»«mo»·«/mo»«mi»#BI«/mi»«/mrow»«/mfenced»«/mfenced»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«mo»=«/mo»«msup»«mfenced»«mfenced»«mi»#ABI«/mi»«/mfenced»«/mfenced»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«mo»=«/mo»«mi»#ABII«/mi»«/mtd»«/mtr»«mtr»«mtd»«mi»B«/mi»«mo»·«/mo»«msup»«mi»A«/mi»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«mo»=«/mo»«mi»#B«/mi»«mo»·«/mo»«mi»#AI«/mi»«mo»=«/mo»«mi»#BAI«/mi»«/mtd»«/mtr»«/mtable»«/mfenced»«mo»§#8658;«/mo»«/mtd»«/mtr»«mtr»«mtd»«mo»§#8658;«/mo»«msup»«mfenced»«mrow»«mi»A«/mi»«mo»·«/mo»«msup»«mi»B«/mi»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«/mrow»«/mfenced»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«mo»=«/mo»«mi»B«/mi»«mo»·«/mo»«msup»«mi»A«/mi»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«/mtd»«/mtr»«/mtable»«/math»</span><br />
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You are wrong. Check it:<br /><br /><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mtable columnalign="left" rowspacing="0"»«mtr»«mtd»«mfenced close="}" open=""»«mtable»«mtr»«mtd»«msup»«mfenced»«mrow»«mi»A«/mi»«mo»·«/mo»«msup»«mi»B«/mi»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«/mrow»«/mfenced»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«mo»=«/mo»«msup»«mfenced»«mfenced»«mrow»«mi»#A«/mi»«mo»·«/mo»«mi»#BI«/mi»«/mrow»«/mfenced»«/mfenced»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«mo»=«/mo»«msup»«mfenced»«mfenced»«mi»#ABI«/mi»«/mfenced»«/mfenced»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«mo»=«/mo»«mi»#ABII«/mi»«/mtd»«/mtr»«mtr»«mtd»«mi»B«/mi»«mo»·«/mo»«msup»«mi»A«/mi»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«mo»=«/mo»«mi»#B«/mi»«mo»·«/mo»«mi»#AI«/mi»«mo»=«/mo»«mi»#BAI«/mi»«/mtd»«/mtr»«/mtable»«/mfenced»«mo»§#8658;«/mo»«/mtd»«/mtr»«mtr»«mtd»«mo»§#8658;«/mo»«msup»«mfenced»«mrow»«mi»A«/mi»«mo»·«/mo»«msup»«mi»B«/mi»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«/mrow»«/mfenced»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«mo»=«/mo»«mi»B«/mi»«mo»·«/mo»«msup»«mi»A«/mi»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«/mtd»«/mtr»«/mtable»«/math»</span><br />
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Thursday, 10 December 2015, 10:53 AM
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