What is the modulus of the complex number z = a + bi? the modulus of z is the distance between the origin and the point (a,b) in the complex plane...
What is the modulus of the complex number z = a + bi?
the modulus of z is the distance between the origin and the point (a,b) in the complex plane
the modulus of z is given by sqrt(a^2 + b^2)
the modulus of z is always a real number
the modulus of z is zero if and only if z is the origin
a) I and II are correct
b) I and III are correct
c) II and IV are correct
d) III and IV are correct
e) I, II, III, and IV are correct
the modulus of z is the distance between the origin and the point (a,b) in the complex plane
the modulus of z is given by sqrt(a^2 + b^2)
the modulus of z is always a real number
the modulus of z is zero if and only if z is the origin
a) I and II are correct
b) I and III are correct
c) II and IV are correct
d) III and IV are correct
e) I, II, III, and IV are correct
💡 1 Resposta
Ed 
A resposta correta é a alternativa B) I e III estão corretas. O módulo de um número complexo z = a + bi é dado pela fórmula: |z| = sqrt(a^2 + b^2). Além disso, o módulo de z é sempre um número real, o que é afirmado na alternativa III.
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