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For which of the following equations is x = -2 a root?I. 2/x-4II. x2 + 4=0III. x2 + 4x +4 = 0

发布日期:2022-07-04

For which of the following equations is x = -2 a r...
A

I only

B

II only

C

III only

D

I and III

E

II and III

标签: equations root x4ii 0iii

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