Page 116 - Math Grade 12 (Advance)
P. 116

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                                                         2
             6.  t?lffi2hl~fil~~tti~tlf'hlJbl5  (E)  :  y'+2y = x  '1

                n.  RMS'intnm   8   ms~ t'in'9 2  ttl rnr:hm~run thlhl~s  (E)  '1
                            t           G              w
                                  cl C)                      Q)l       Q)l   ";)   Qf   t:::J}   II   I  C)
                ~.  mb  h  r:hH2?11:52ttlbl5  h(x)  = f(x)  g(x)  '1  ttl  h  r:htH't:5li5t2hl't:5fil~~Hjj~tithl'ibl5
                               t                                       "'                  i:J



                1=1  tt:tuunnruhl~fil~ y' + 2y = o  HHfl m~nH2?11:5S f  ttl rnr:hm~ru~:H9'i~s (E)  '1
                                              Ll   '-'    t                GVU
             7.  t?lffi2hl~fil~~tti~tlfhlJbl5  (E):  y'-2y=  +-:-2x
                                                         1
                n.  t1flgLnnruhl~fil~~tti'~tlfhlJb15 y' -2y = o  f!:1rnt~b~S'i  y(O)  =  1  '1

                                  d     ~       CJ           'x                            d~
                ~.  mb  f  r:hH2?11:52ffi2ttlH~ IR  ttlbl5  f(x)  =  e~ g(x)  '1  ?lrulSl  f(x)  r:hHS?11:521:2
                              t                                                        1
                    g(x) sb  g'(x)  '1
                                                                    -2x
                                                                  2
                1=1.  tiblmrtau f  r:hm~ru~s (E)  rngLmfs;  g'(x)  = - e   '1
                                                                     2
                     U1.....,        "'           t              l+e-x
                                               "'          ""  ,
                ill.  tnm~nntsn't:5 g(x)  w  f(x)  t!:1rn  f  r:htH1:5li5t2  (E)  '1
                      ~      u·       w                    w
             8.  tcngLnnruhl~fil~~ttiitlfhlJrn  :
                _  dy       3x       o.  dy + Y  =  __ _
                                                  I
                n.  dx- y  = e       o        -              ?1.  y' + y  = 1   ill.  y' + y  =  sinx  '1
                                        dx      1 + ix
             9.  ten gLnnru hl~fil~~ tti~tl fhlJbl5ffl't:5 rnQ~ o.g tt11:5

                n.  y'- y  = 1  ,  y(O)  =  1                ~.y' + 2y  =  1  ,  y(O)  = 0  '1




                                               3x                X  dy
                n.  ~~ =  sin5x        ~.  dx+ e  dy  = 0    ?1.  e  dx = 2x
                                          dy   2
               ill.  (x + l )~~ = x + 6   b.  dx- y  = -9  ,  y(O)  = 3  '1

                      tc:p     ~            ot::::l   Oc::t.   eJ                         0~
             11.  t?11:rln9n  100  bl5'itinbwb1:5rusbH'Urn  IOkg  ttlrn'in~Hlllrunbwbtmg '1  rnnruH'Urn
                                lict   t   Ll                  li       ..   t        ~-~·
                                   t                            u       t
                   C)      0  t::::l.     c::p   ~                                   Ql
               1:5ruttlrnmsH'Ubl5  o.3kg  nb9n't:5li5rn'in'iSi~tibmrnnbwbtsgt1flruH;m 8 bl51nnb1:5ru
                Ll                     ct    Ll    lili   U1U   ct   t         li      ljc;   1.1
                                        t             u   u     t                        1
               S1'9  '1  rnnruu'i't:5Hsinbwb1n1t?ln~  W'UbHumt1:rlli5H'iffl  8 ru'innb1:5li5S1'9  '1
                       ~-~·   t_;   ..   t   li   u   IJ   U1   .....,   li   ljc;   Ll
                              t     t     u           u                      t
                n.  1nrnn~Mta't:5~srhrung  tS1:5'1?1MS1ti1mM~lirn Q(t)  tsinbwb
                        B   S                 eJ                            ctt
                                                                            t
                ~.  ?1MS1ti1mM~lirn Q(t)  ~b~b tsi~M: t ~tLfilrutnrnti~~ms 25  m9  '1
                                             t                            u





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