Question

Asked Jan 25, 2019

determine where it is concave up and where it is concave down. Also ﬁnd all the inﬂection points, i.e. points where the second derivative changes sign (i.e. goes from being positive to being negative, or vice versa):

f(z) = 3z^2− 1/(z^2 )

Step 1

Given,

Step 2

Finding its first and second derivative by differentiating with respect to z, we get

Step 3

Now, finding the points where second de...

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