document.write( "Question 180834: find the derivative.
\n" ); document.write( "1. x = ln(x+y+1)\r
\n" ); document.write( "\n" ); document.write( "and \r
\n" ); document.write( "\n" ); document.write( "2. F(x) = (square root of quantity 1 + x)- ln(1 + square root of quantity x + 1)
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Algebra.Com's Answer #135578 by stanbon(75887)\"\" \"About 
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find the derivative.
\n" ); document.write( "1. x = ln(x+y+1) \r
\n" ); document.write( "\n" ); document.write( "1 = [1/(x+y+1)](1 + (y'))\r
\n" ); document.write( "\n" ); document.write( "y' = [x+y+1] -1
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\n" ); document.write( "\n" ); document.write( "and
\n" ); document.write( "2. F(x) = sqrt(1 + x)- ln[1 + sqrt(x + 1)]\r
\n" ); document.write( "\n" ); document.write( "F'(x) = (1/2)(1+x)^(-1/2) - [1/(1+sqrt(x+1)] * [(1/2)(x+1)^(-1/2)]
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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