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        <div id="content-top2">P. 145</div>
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    <pre style="white-space:pre-line"><code>Ã¤Ã‰aÆ’Ã˜Â°Ã¼Å¸G Î©GÃ³Ã®Ã Â°SÃ‰H Ã¡Â«Â£Ã¿G Ã¤â€™OÃ‰Â©Å¸G Ï€M

(Graphing) Â»fÃ‰Â«Ã‘dG ÂºÂ°SÃ´dG ( Â»gh Ã¡Â«Â£Ã®dG Ã¤â€™OÃ‰Â©ÂªdG Ï€Ã«d Â¥Ã´W Ã§Ã“K Ã¡â‰¤HÃ‰Â°Ã¹dG Â±Æ’Ã˜Â°Ã¼dG Â»a Ã¢Â°SQO
Ã¡â‰¤jÃ´W â‰ˆâˆY Â±Ã´Â©Ã Ã¦Â°S âˆžÂ°Ã¼dG GÃ²g Â»ah , (Elimination) Â±Ã²Ã«dG (`L , (Substitution) Â¢â€ jÆ’Â©Ã dG (Ãœ

                               .Ã¤Ã‰aÆ’Ã˜Â°Ã¼ÂªdG âˆ«Ã“N Ã¸e âˆ‚dPh Ã¡Â«Â£Ã®dG Ã¤â€™OÃ‰Â©ÂªdG Ï€M Â»a iÃ´NCG

                           (Matrix Equation) Ã¡Â«aÆ’Ã˜Â°Ã¼Å¸G Ã¡dOÃ‰Â©Å¸G Î©GÃ³Ã®Ã Â°SÃ‰H

                                                                          1 âˆ«Ã‰Ã£e

                                 kÃ‰jÃˆL âˆ‚Ã HÃ‰LEG Ã¡Ã«Â°U Ã¸e â‰¥â‰¤â€“h Ã‰Â«fBG ÃšÃ Â«dÃ‰Ã dG ÃšÃ dOÃ‰Â©Å¸G Ï€M

    1 = Â¢U + Â¢S2                               , 4 = Â¢U2 - Â¢S3

                                                                          Ï€``â—ŠG

                             : Â»g IOÃ³ï¬ Ã¤GÆ’Â£N Ã¸e Ã³Hâ€™ Ã¤Ã‰aÆ’Ã˜Â°Ã¼Å¸G Î©GÃ³Ã®Ã Â°SÃ‰H Ã¤â€™OÃ‰Â©Å¸G Ï€â—Š
                Ã“k Ã£e ..... Â¢U ÂºK â€™k hCG Â¢S Â¿Æ’Î¼J Ã¥Â«Ã«H ÃšÃ dOÃ‰Â©Å¸G â€˜ Ã¤GÃ’Â¨Ã Å¸G Ã–JÃ´f (1
QÃ‰Â°Ã¹j â‰ˆâˆY â„¢Â°â€ fh Ã¤GÃ’Â¨Ã Å¸G Ã¡aÆ’Ã˜Â°Ã¼e â€˜ Ã‰Â¡HÃ´Â°â€ fh Ã¡aÆ’Ã˜Â°Ã¼e â€˜ Ã¤GÃ’Â¨Ã Å¸G Ã¤Ã“eÃ‰Â©e Ã–Ã Î¼f (2

                        : Ã¡Â«dÃ‰Ã dG Ã¡Â«aÆ’Ã˜Â°Ã¼Å¸G Ã¡dOÃ‰Â©Å¸G â‰ˆâˆY Ï€Â°Ã¼Ã«Ã¦d Ã¢HGÆ’Ã£dG Ã¡aÆ’Ã˜Â°Ã¼e IGhÃ‰Â°Ã¹ÂªdG IQÃ‰Â°TEG

                                               4 Â¢S 2- 3
                                                   =

                                               1 Â¢U 1 2

                           21                  2- 3

7 = (2- *2) - (1 * 3) = ,        1 Â»gh               Ã¡aÆ’Ã˜Â°Ã¼Âªâˆd Â»HÃ´Â°â€ dG Ã’Â¶Ã¦dG Ã³â€š (3

                           3 2-          12

                                                        21
                                                        77
? GPÃ‰Å¸ . ÃšÂªÂ«dG Ã¡Â¡L Ã¸e Â»HÃ´Â°â€ dG Ã’Â¶Ã¦dÃ‰H Ã¡dOÃ‰Â©Å¸G â€˜Ã´W ÃœÃ´Â°â€ fh 3 2- = Â»HÃ´Â°â€ dG Ã’Â¶Ã¦dG
                                                        77

                                 4 2 1 Â¢S 2- 3 2 1

                                      7 7=                   * 7 7 (4
                                         2-
                                 1    3  7           Â¢U 1 2  3 2-
                                      7                      77

                                 24            Â¢S 0 1
                                 7+7           Â¢U 1 0

                                            =

                                 3 8-
                                 7+ 7

5-  = Â¢U ,  6                         6 Â¢S
7           7 = Â¢S Â¬Ã¦eh
                                      7=

                                      5- Â¢U
                                      7

                                 145</code></pre>
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