8i-(14-9i)?

2008-02-10 5:50 pm

回答 (5)

2008-02-10 6:59 pm

✔ 最佳答案

8i - 14 + 9i
17i - 14

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2008-02-10 6:05 pm

8i - (14 - 9i)
= 8i - 14 + 9i
= 8i + 9i - 14
= 17i - 14

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2008-02-10 5:56 pm

just type it into a scientific calculator and it will give you the answer. for "i" type in "2nd" (which is in the top left corner of the calc.) "O"

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2008-02-10 5:55 pm

8i - 14 + 9i
= 17i - 14

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2008-02-10 5:54 pm

8i - (14 - 9i) = 8i - 14 + 9i = - 14 + 17i

Alejandra

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