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Calculati
(-5i-√3)²

Va rog e urgent


Răspuns :

(-5i-rad3)^2=(-5i)^2-2•(-5)•rad3+(rad3)^2=25i^2+10rad3+3

[tex] {( - 5i - \sqrt{3)} }^{2} = {( - 5i)}^{2} - { \sqrt{3} }^{2} = 25 {i }^{2} - 3[/tex]