Page 89 - 6637
P. 89

Appendix B





               Table of Derivatives





                                                     0
               Note: c denotes a constant and denotes differentiation.
                   d           df        dg
                      (fg) =      g + f
                  dx           dx        dx

                              0
                   d f      f g − fg   0
                         =
                  dx g          g 2


                   d   c       c−1 0
                      f = cf      f
                  dx

                   d
                                0
                      f(g) = f (g)g   0
                  dx


                   d 2
                                 00
                                         0 2
                                                 0 00
                       f(g) = f (g)(g ) + f g
                  dx 2
                                                                                    2
                                                                                                          n
                                  n d f
                                                                      n d
                                                                                                   n
                   d n                n            n−1 f dg           n−2 f d g                  d g
                                                  n d
                       (fg) =              g +                   +                     + · · · +       f
                  dx n            0 dx   n        1 dx   n−1  dx       2 dx   n−2  dx 2            n     dx n
                   d           1
                      ln x =
                  dx          |x|
                   d   x     x
                      c = c ln c
                  dx


                   d               df             dg
                                            g
                       g
                      f = gf   g−1     + f ln f
                  dx               dx             dx
                   d
                      sin x = cos x
                  dx

                   d
                      cos x = − sin x
                  dx


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