IMAGINARY NUMBERS
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i6 =
-1
6/2i
-3i
i15
-i
4+i / 3-2i
10+11i 13+13
____ _____ ______ /-25 +/-16+ /-9
12i
i12 + 1 =
2
(5 - i )(5 + i ) =
26
(-3 - 5i )(-3 + 5i ) =
34
(3 - i ) + (1 - 2i ) =
4-3i
10(4 - 3i ) =
40-30i
(5 - 2i2) 2 =
49
(7 + 3i ) - (2 + 3i ) =
5
5 - 6i11
5+6i
3/-24
6i/6
(2+ /-3) ( 2-/-3) 2 2
7/4
Which of the following statements about imaginary numbers are true?
The square root of -1 is an imaginary number. If an imaginary number is combined with a real number, the result is a complex number. i is an imaginary number.
