Engenharia

Calcule:

<img alt="3 times left parenthesis minus 3 right parenthesis to the power of minus 1 end exponent times left parenthesis minus 3 right parenthesis squared" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mn»3«/mn»«mo»§#183;«/mo»«mo»(«/mo»«mo»-«/mo»«mn»3«/mn»«msup»«mo»)«/mo»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«/msup»«mo»§#183;«/mo»«mo»(«/mo»«mo»-«/mo»«mn»3«/mn»«msup»«mo»)«/mo»«mn»2«/mn»«/msup»«/math»" src="https://cdn.mesalva.com/uploads/cache/7bfbd7c4ed57f430140aeb471e09476c.png"> 
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