document.write( "Question 555117: I need the derivative of : y = radical((x)^2) + 1 * radical((x)^2) - 1 \r
\n" ); document.write( "\n" ); document.write( "The answer is supposed to be y' = 2(x^3)((x^4-1)^-1/2) \r
\n" ); document.write( "\n" ); document.write( "I want to know how to do this. Help me please.
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Algebra.Com's Answer #361641 by Alan3354(69443)\"\" \"About 
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I need the derivative of : y = radical((x)^2) + 1 * radical((x)^2) - 1
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\n" ); document.write( "\"y+=+sqrt%28x%5E2%29+%2B+1%2Asqrt%28x%5E2%29+-1\"
\n" ); document.write( "Something's not right.\r
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\n" ); document.write( "\n" ); document.write( "The answer is supposed to be y' = 2(x^3)((x^4-1)^-1/2) \r
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