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Calcular (complex solution)
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Parte real (complex solution)
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4i+8+\sqrt{-81}-\sqrt{-121}
Calcular a raíz cadrada de -16 e obter 4i.
4i+8+9i-\sqrt{-121}
Calcular a raíz cadrada de -81 e obter 9i.
-\sqrt{-121}+8+\left(4+9\right)i
Combina as partes reais e imaxinarias.
-\sqrt{-121}+8+13i
Suma 4 a 9.
-11i+8+13i
Calcular a raíz cadrada de -121 e obter 11i.
8+\left(-11+13\right)i
Combina as partes reais e imaxinarias.
8+2i
Suma -11 a 13.
Re(4i+8+\sqrt{-81}-\sqrt{-121})
Calcular a raíz cadrada de -16 e obter 4i.
Re(4i+8+9i-\sqrt{-121})
Calcular a raíz cadrada de -81 e obter 9i.
Re(-\sqrt{-121}+8+\left(4+9\right)i)
Combina as partes reais e imaxinarias en 4i+8+9i.
Re(-\sqrt{-121}+8+13i)
Suma 4 a 9.
Re(-11i+8+13i)
Calcular a raíz cadrada de -121 e obter 11i.
Re(8+\left(-11+13\right)i)
Combina as partes reais e imaxinarias en -11i+8+13i.
Re(8+2i)
Suma -11 a 13.
8
A parte real de 8+2i é 8.