MCQ
In $z = 4 + i,$ what is the real part?
  • $4$
  • B
    $i$
  • C
    $1$
  • D
    $4 + i$

Answer

Correct option: A.
$4$
In $z = a + b i\, a$ is real part and $b$ is imaginary part.
So, in $4 + i,$ real part is $4.$

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