Respuesta :
Answer:
4 + 9i
Step-by-step explanation:
4 + 9i is a complex number.
4 is the real part and 9i is the imaginary part.
i stands for √-1.
Answer:
4 + 9i
Step-by-step explanation:
4 + 9i is a complex number.
4 is the real part and 9i is the imaginary part.
i stands for √-1.