Page 204 - Math Grade 12 (Advance)
P. 204

PROEUS DARA

                                                                                tifJfi rU  C'fftijd  1!:1
                :>:""0                              ""                 --7   """   --7   7
           3.  ~l"i<1J15tHlJ18  A( 1,  -1,  0)  ,  B(-2,  -2,  2)  Glh  C(O,  1,  1)  run  AB = a  Sb  AC = b  '1

              n.  RMci61t~'ts t  ~~~~§~1hnb1u9a ~+tb sb b 'HlS~bl~ 60°  '1
                         GV        1\.J  U  1   1                  IJ
                          "  ""
                   "
              2.  ~n!:~U11{J!!:SLf1~filM  ABC  '1
           4.  mh  e  dltiSlci~ruftHliRMfittn ru  X  =  t  '  y = -3 + 3t  '  z =  -2 + 2t  sb
                          <;   u
                      I  eJ   I       1     C:::.   I   0
               a  dltih!:t:jillfil61611~15S161  R  Sbfil61611~8M8 P(l,  2,  1)  '1
                    GV              <;                   1
              ~nnHHtr1tstscrMG~tinHHtlhti~  a  shHn~ z  '1
                U              1  W   1J   GV           V
           5.  mh  R  dl15Slfifilfiffl~UM8 (4,  0,  3)  ttfiruuti515Sblu9~  h(l,  1,  l)  Sb  (m)  dl
                          &            1                         1
              ti~fift:jrnfilficr!:lJlG  (3,  2,  --4)  ttfiruLnmsh1n9~ tc-2,  1,  4)  '1  mh  a  dl~~ft:jru

              U                       ttfiruu'Hlrutl15Slciilbfln94ti~'HlSu'Hlruthhfl '1  ~n
               fl5m9'isb  R  sb  m
                                                                             ....  cs
                                                                G'V
                                                   ~
                                            Cf
                                                                       (:1
                       '?   0                 ~   ()
              nHHtrltS!:S8M8H5fl5r!~tlb  a    SbHn~ z  '1
               u             1   I._;   IJ         li
              e   :  X  =  3 + p'  y  =  I + 2p'  z  =  4- 2p'  (m)  :  X  =  2 + 3q'  y  = -2 + 2q'  z  = -3q
              eJ      C\       II   II   eJU   Q          I  eJ   I    0
              tt:jru  p  sb  q  dlmm~~fitmrumh (n)  dltiS161!:1:lrnfil61ffl~GMG A(l,  -1,  2)
                                    c;                  &                 1
              sb~tifl5rl15Slfi  R  Sh  m   t:lbctl~ '1  2timm  n  '[Yfl5~  t  sb  m  Lf1~  P  sb  Q
                 I._;   IJ   &
              ~:Db~ '1










                         x  = 1-s                    x  = -3 + 2t
                       j
               R         y  = -2+s         m        j y=-l+t
                        z =  -1 + 2s                  z =  I-t

              mh  f(s)  dlu'Hlruticrrulu  P(-s+ I,  s-2,  2s-l)  n:ritrn15Slci  R  WitiSlfl  m  '1
                           C!       1                               c:i          c:i
                                  "'"
              l"irulSl  f(s)  dlHSI'i~StS s  '1
                              1
          8.  run  A(l,  -1,  -2)  ,  B(O,  3,  0)  ,  h(3,  -1,  2)  Sb  h(2,  1,  -1)  '1  e  dltiSlfittlrnfilfi
                                                                                  &
              m~Orulu A  tmruufl5m9'isb  t  sb  a  dlti~ttlrnfilrlm'eOrulu B  ttfirutnhsb
                     1                                  w                1
              1n9~ h '1  mh  (PQ)  dltiSlrlcnhctlrnl"lNtumticrMn  P  tsitrntiSlrl  e  tmnMn
              1                       &           u    "      1            &              1
              Q  ~sitrnti~  a  '1  tr!rutt:jru  p  ~rltrntiSlrl  e  ~nfU~fil~tshinncrrulu Q  '1
                       6\1                          c:i                     1   1





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