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Sagot :
Using complex numbers, it is found that the correct option regarding the expression is:
a. Greater than 1.
What are complex numbers?
Complex numbers are numbers that have a real and an imaginary part, and are modeled by:
[tex]z = a + bi[/tex]
In which:
- a is the real part.
- b is the imaginary part.
The magnitude of the number is:
[tex]|z| = \sqrt{a^2 + b^2}[/tex]
In this problem, the number is:
[tex](0.7 + 0.7i)n[/tex]
The smallest possible value is n = 4, hence:
[tex]z = 1.4 + 1.4i[/tex]
And the magnitude is:
[tex]\sqrt{1.4^2 + 1.4^2} = 1.98[/tex]
Which is greater than 1, hence option a is correct.
You can learn more about complex numbers at https://brainly.com/question/25572463
Answer: it’s b
Step-by-step explanation: the answer is .98 which is less than 1
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