<p>Daerah R dibatasi oleh&nbsp;<img align="middle" alt="y equals a x to the power of 4 comma space y equals a comma space x equals 2 comma" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»y«/mi»«mo»=«/mo»«mi»a«/mi»«msup»«mi»x«/mi»«mn»4«/mn»«/msup»«mo»,«/mo»«mo»§#160;«/mo»«mi»y«/mi»«mo»=«/mo»«mi»a«/mi»«mo»,«/mo»«mo»§#160;«/mo»«mi»x«/mi»«mo»=«/mo»«mn»2«/mn»«mo»,«/mo»«/math»" height="19" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -3px;" width="151" /> dan garis sumbu x positif. Jika volume benda padat yang didapat dengan memutar R terhadap sumbu x adalah&nbsp;<img align="middle" alt="40 over 9 straight pi" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfrac»«mn»40«/mn»«mn»9«/mn»«/mfrac»«mi mathvariant=¨normal¨»§#960;«/mi»«/math»" height="35" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -12px;" width="40" /> , maka a = ....</p>


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Daerah R dibatasi oleh dan garis sumbu x positif....

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