Posted by **sh ** on Tuesday, November 10, 2009 at 5:43pm.

Find the first and second derivatives of the given functions.

y=¡î(x©÷+1)

y'=x(x©÷+1)^(-1/2)

y"=[1(x©÷+1)^(-1/2)]-[(1/2)[(x©÷+1)^(-3/2)](2x)(x)]

y"=[(x©÷+1)^(-1/2)]-[(x©÷)(x©÷+1)^(-3/2)]

Is the second derivative right?

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