document.write( "Question 1137548: A block of metal is melted and cast into a solid cylinder whose volume is 10cm^3. Show that the cylinder has a minimum surface area when r = 3* root 5 over pi. \n" ); document.write( "

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A block of metal is melted and cast into a solid cylinder whose volume is 10cm^3. Show that the cylinder has a minimum surface area when r = 3* root 5 over pi.
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\n" ); document.write( " $\"r+=+3%2Asqrt%285%29%2Fpi\"$
\n" ); document.write( "Or $\"r+=+3%2Asqrt%285%2Fpi%29\"$
\n" ); document.write( "Which is it?
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\n" ); document.write( "If the ends are included:
\n" ); document.write( " $\"SA+=+2pi%2Ar%2Ah+%2B+2pi%2Ar%5E2\"$
\n" ); document.write( "Are the ends included?
\n" ); document.write( "--------
\n" ); document.write( " \n" ); document.write( "

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