Page 2 - FORMULA DBM30043
P. 2

NUMEBICAL  METIIOD
                                                     (t,,   0   o) 1 ,r,      2,. \
                                                                               tJ   I
                     Crout Method                ,q  =l  t-.  tD  ol 01      urr
                                                     I   lt                      l
                                                     I     t'   lr,  00       t)
                                                     U,,          )
                                                     (t    0   0) (r,,  urz a,,  )
                                                     I
                                                                 ll
                     Doolittle Method            A  =l  l^,  1  o  o ,,, u,,l
                                                     | ''
                                                     U,,   t""  rjlo  o u,)
                                                          _f(*)
                     Newton Raphson  Method      Xr*l  =  Xn
                                                            f'(*)

                                                         1   x1   !r
                     False Position Method          --
                                                 ^o
                                                      lz-lr  x2   !z


                                                          PROBABITITY
       v
                     E= pn                                       P(A u B)  =  P(A) + P(B)  P(A n B)
                                                                                            -
                               P(B N A\                          P(A n B) =  P(A). P(B)
                      \''
                    P(BIA)
                                  P(A)
                                                                 P(A n B) = P(A). P(BIA)




                                        SOLUTION  FOR 1SI OfiDER DIffE*ENTIAL  EQUATI.ON
                                                               Linear Factors (lntegrating  Factors)
                                                               y. IF - lQ.  tt'd*

                                                               Where IF = elPe
                              Homogeneous Equation
                                          .dydv                Logarithmic
                              y=vx  and  --:=r'rx-                       lna
                                             dx       dx       a     -e
                                                                 x
                                                               a      -e  xlna
                                                                            x
                                                               rX,A
                                                               )a  dx  =-*c
                                                                          lna
                                   GTNTRAT SOLUTION  FOR z.d OBDIB DIFFfRENTIAL  EQUATION

                                                                 d'y  . dv
  I                                                            a::-l+b-'+crr=0
 :                 Equation  of the form                         dx'     dx


                                                                      -b+      -  4ac
                   Quadratics  Formula                            X=
                                                                            2a

                   1,. Real & different roots2                 !  = Ae*'' + Be*'r

                   2. Real & equal roots                       y  e*'(A+ Bx)
                                                                 =
                   3. Complex roots                            ! = e"'(Acos px + Bsin px)
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