7.2复数s的四则运算1_(2).ppt

文档介绍：复数的运算32 3 22 21 32 21w iw w w w www w w w= - ++ ++已知,求,,,,,,1+223 32 21w ww ww ww wiiw w w w=+ + += =,=,= = =1 3- -2 21 3- +,1+2 2=1=061 3 1 3 1 32 2 2 2 2 2i i i骣 骣骣鼢珑鼢- + - - -珑鼢珑鼢鼢珑桫 桫桫求452 21 3ii+=-()()2 22 2100 1002 21 11 11 12 2i ia ai a aii ii i+ = - =+ = - =- = + =骣 骣- +鼢珑= =鼢珑鼢鼢珑桫 桫()()()()()()100 501, 12iz z z-= + +已知则的值1998 8 501 2 3( 2 2 ) ( )2 1 2 3i ii ii- - ++ + - ++30242 22 3 2 (4 8 ) ( 4 8 )11 2 3 11 7i i iii i骣- + - - - +÷?÷+ +?÷?÷÷?++ -桫15 1512 4(1 3 ) (1 3 )1 12 1 ( )2 2i ii i i()- - +- + +