document.write( "Question 405158: find the derivative ln x/ square root x^2 +1
\n" ); document.write( "y'=? \n" ); document.write( "

Algebra.Com's Answer #286240 by Tatiana_Stebko(1539) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"y=%28ln%28x%29%29%2Fsqrt%28x%5E2%2B1%29\"$
\n" ); document.write( "Use formulas: (u/v)'=(u'v-uv')/v^2
\n" ); document.write( "__________ $\"%28lnx%29\"$ '= $\"1%2Fx\"$
\n" ); document.write( "__________ $\"%28sqrt%28u%29%29\"$ '= $\"%281%2F%282sqrt%28u%29%29%29%2Au\"$ '
\n" ); document.write( "__________ $\"%28x%5En%29\"$ '= $\"n%2Ax%5E%28n-1%29\"$ , C'=0
\n" ); document.write( " $\"y\"$ '= $\"%28%28ln%28x%29%29%2Fsqrt%28x%5E2%2B1%29%29\"$ '=( $\"%28ln%28x%29%29\"$ ' $\"sqrt%28x%5E2%2B1%29-ln%28x%29%2A%28sqrt%28x%5E2%2B1%29%29\"$ ')/ $\"%28sqrt%28x%5E2%2B1%29%29%5E2\"$ =

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