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Mathematics 9 Online
OpenStudy (anonymous):

Check my answer please.

OpenStudy (anonymous):

find the derivative of f(x) = sqrt(x^2 + 4) d/dx(sqrt(x^2 + 4) = 1/2sqrt(x^2 + 4)(d/dx(x^2 + 4)) = d/dx(x^2) over 2sqrt(x^2 + 4) = 2x/2sqrt(x^2 + 4) = x/sqrt(x^2 + 4)

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