A Athi Dec 2019 1 0 Malaysia Monday at 6:23 AM #1 Anyone please help me Find the first and second derivatives of the following function at point 2 + i . h(z)=(z^2-9)/(z^2+1)

Anyone please help me Find the first and second derivatives of the following function at point 2 + i . h(z)=(z^2-9)/(z^2+1)

romsek Math Team Sep 2015 2,679 1,481 USA Monday at 6:54 AM #2 this is pretty straightforward. $\dfrac{d}{dz} \dfrac{f(z)}{g(z)} = \dfrac{f'(z)g(z) - f(z)g'(z)}{(g(z))^2}$ anything in particular you are having trouble with? Reactions: topsquark

this is pretty straightforward. $\dfrac{d}{dz} \dfrac{f(z)}{g(z)} = \dfrac{f'(z)g(z) - f(z)g'(z)}{(g(z))^2}$ anything in particular you are having trouble with?