adrdominguez adrdominguez

30-10-2016
Mathematics

contestada

How do I solve for the derivative of y=r/sqrt(r^2+1)?

Respuesta :

Аноним Аноним

30-10-2016

y'={1.sqrt(r^2+1)-r (2r)/2sqrt(r^2+1) }/(r^2+1)
simplify .

Remember (a/b)'=(a'b-b'a)/b^2

and remember (sqrt(u))'=u'/2sqrt(u)

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