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AS FORMULAS RESOLVENTES.pdf

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y = + z + z + z<br />

1 1 2 3<br />

y = + z − z − z<br />

2 1 2 3<br />

y = − z + z − z<br />

3 1 2 3<br />

onde:<br />

Se z 1<br />

∈ R + e z<br />

y = − z − z + z .<br />

4 1 2 3<br />

, z ∈ R − , com q ∈ R + , as soluções de (19) serão:<br />

2 3<br />

No caso em que z 1<br />

∈ R + e z<br />

Finalmente, se for z 1<br />

∈ R + e z<br />

( α β)<br />

y = + z + + i<br />

1 1<br />

( α β)<br />

y = + z − + i<br />

2 1<br />

( α β)<br />

y = − z + − i<br />

3 1<br />

( α β)<br />

y = − z − − i<br />

4 1<br />

z = ± αi ∧ z = ± β i.<br />

2 3<br />

, z ∈ R − , com q ∈ R − , as raízes de (19) são:<br />

2 3<br />

( α β)<br />

y = − z + + i<br />

1 1<br />

( α β)<br />

y = − z − + i<br />

2 1<br />

( α β)<br />

y = + z + − i<br />

3 1<br />

( )<br />

y = + z − α − β i.<br />

4 1<br />

, z ∈ C, z z<br />

2 3<br />

2<br />

=<br />

3<br />

, as soluções de (19) são:

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