Question 1 (multiple answer)
which numbers are real numbers?
there is more than o...
![subject](/tpl/images/cats/mat.png)
Mathematics, 07.10.2019 08:30 ed100
Question 1 (multiple answer)
which numbers are real numbers?
there is more than one correct answer. select all correct answers.
−3
−3
−4
−4
−34
−34
question 2 (multiple answer)
which simplifications of the powers of i are correct?
there is more than one correct answer. select all correct answers.
i7=i4⋅i3=−1⋅−i=i
i6=i4⋅i2=1⋅−1=−1
i6=i4⋅i2=−1⋅−1=1
i7=i4⋅i3=1⋅−i=−i
i8=i4⋅i4=−1⋅−1=1
i5=i3⋅i2=−i⋅−1=i
i5=i3⋅i2=i⋅−1=−i
i8=i4⋅i4=1⋅1=1
question 3 (multiple answer)
examine the complex number 3+2i.
a: what is the real part of the complex number?
b: what is the imaginary part of the complex number?
select one answer for part a, and select one answer for part b.
a: i
b: 3
a: 3
a: 2i
b: i
b: 2i
b: 2
a: 2
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