来源:焚题库
2025-01-23
中
单选题(数学2)

- A.<img src="https://timg.fentiku.com/javaimportItems/2847b372203443ba93cfb871c080ce65/images/62e86.jpg"><br/>
- B.<img src="https://timg.fentiku.com/javaimportItems/2847b372203443ba93cfb871c080ce65/images/63318.jpg"><br/>
- C.x=λ<br/>
- D.x=0<br/>
正确答案:A
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