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Nombres Complexes


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Exercice 1

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z=1/2-i/2

z’=-1/2+i

a——— 

2*z-3*z’=13/6-4*i

b——— 

i*z+2*z’=-1/2+7*i/2

c——— 

z^2=-5/36-i/3

d——— 

z’^3=11/8-i/4

e——— 

z*z’=1/3+7*i/12

—————————————

Exercice 2

—————————————

a——— 

(4-i)*z+7*i=0 ==> z=7/17-28*i/17

b——— 

i*z+6=0==> z=6*i

c——— 

(9+7*i)*z/2=1/3 ==> z=3/65-7*i/195

d——— 

4+5*i*z=3*7*i ==>z=-7/5+i/5

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Exercice 3

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a1 = -2*i;

b1 = i;

c1 = 6 + i;

d1 = -1 - 3*i;

a2 = 4 - 3*i;

b2 = 1 + i;

c3 = 1 - 2*i;

d3 = 4;

a4 = 3 + 2*i;

b4 = 2 - 4*i;

c4 = -3 - i;

s = a1 + b1 + c1 + d1

c2 = s - c1 - c3 - c4 =1-i

d2 = s - a2 - b2 - c2 =-1

d4 = s - d1 - d2 - d3 =3

a3 = s - a1 - a2 - a4 =-2

b3 = s - b1 - b2 - b4 =2-i

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post-24224-0-05272100-1421785618_thumb.j

post-24224-0-05272100-1421785618_thumb.j

post-24224-0-05272100-1421785618_thumb.j

post-24224-0-05272100-1421785618_thumb.j

post-24224-0-05272100-1421785618_thumb.j

post-24224-0-05272100-1421785618_thumb.j

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