Find the derivative of f(x)=log3(x2+5)f(x) = \log_3(x^2 + 5)f(x)=log3(x2+5).
2x(x2+5)ln3\frac{2x}{(x^2+5)\ln 3}(x2+5)ln32x
2xx2+5\frac{2x}{x^2+5}x2+52x
x2+52xln3\frac{x^2+5}{2x \ln 3}2xln3x2+5
2xln3x2+5\frac{2x \ln 3}{x^2+5}x2+52xln3