Formula 15

{m a t h r m p}_{} m a t h r m n f (m a t h r m x) = {m a t h r m F}_{} m a t h r m f c d o t (m a t h r m g a m m a c d o t f r a c {m a t h r m h}_{} m a t h r m h m a t h r m n - 1 c d o t (f r a c m a t h r m x {m a t h r m h}_{} m a t h r m h - (f r a c m a t h r m x {m a t h r m h}_{} m a t h r m h)^{} m a t h r m n) {m a t h r m p}_{} m a t h r m v f t c d o t (f r a c m a t h r m x {m a t h r m h}_{} m a t h r m h)^{} m a t h r m n

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