which of the following is equivalent to (i+3)+i(2i-4) a. -5i + 1 b. -3i + 1 c. i-3 d. -i + 3

Question

which of the following is equivalent to (i+3)+i(2i-4)

a. -5i + 1
b. -3i + 1
c. i-3
d. -i + 3

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Thu Thủy 1 year 2021-09-04T15:32:44+00:00 1 Answers 24 views 0

Answers ( )

    0
    2021-09-04T15:34:15+00:00

    Answer:

    answer is b

    Step-by-step explanation:

    i+3 -2 -4i = 1-3i

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )