document.write( "Question 950295: Find the length of the arc of the parabola x2 = 4y from x= -2 to x =2 \n" ); document.write( "

Algebra.Com's Answer #580264 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"y=x%5E2%2F4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"dy%2Fdx=x%2F2\"$
\n" ); document.write( " $\"L=int%28%28sqrt%281%2B%28dy%2Fdx%29%5E2%29%29%2Cdx%2Cx=-2%2C2%29\"$
\n" ); document.write( " $\"L=%28x%2F4%29sqrt%28x%5E2%2B4%29%2Bsinh%5E%28-1%29%28x%2F2%29%2BC%29\"$
\n" ); document.write( " $\"L=2%282%2F4%29sqrt%288%29%2B%28sinh%5E%28-1%29%281%29-sinh%5E%28-1%29%28-1%29%29\"$
\n" ); document.write( " $\"L=2sqrt%282%29%2B2sinh%5E%28-1%29%281%29\"$
\n" ); document.write( " $\"L=2%28sqrt%282%29%2Bsinh%5E%281%29%281%29%29\"$ \n" ); document.write( "

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