摘要:8.点P在曲线上移动.设点P处切线的倾斜角为α.则α的取值范围是 ( ) A. B. C. D..
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点P在曲线y=x3-x+
,上移动,设点P处切线的倾斜角为α,则角α的取值范围是( )
2 |
3 |
A、[0,
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B、[0,
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C、[
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D、(
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网址:http://m.1010jiajiao.com/timu3_id_4468450[举报]
2 |
3 |
A、[0,
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B、[0,
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C、[
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D、(
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