- 12 Show That The Logarithmic Derivative Of A Linear Fractional Transformation F 2 Ad Bc F X Az B Cz D Is F 1 (27.73 KiB) Viewed 27 times
12. Show that the logarithmic derivative of a linear fractional transformation f' (2) ad-bc f (x) = az + b cz + d is = f
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12. Show that the logarithmic derivative of a linear fractional transformation f' (2) ad-bc f (x) = az + b cz + d is = f
12. Show that the logarithmic derivative of a linear fractional transformation f' (2) ad-bc f (x) = az + b cz + d is = f(z) (az + b) (cz + d) Use the result to explain why -1,0, or 1 are the only possible values of ad - bc 2ri fr (az + b) (cz + d)dz
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