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题目内容
（甘肃开放大学高等数学）
设y=u^2+1,u=sinx,则y=sin^2x+1
<img src="data:image/png;base64,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" >
A.对
B.错
<img src="data:image/png;base64,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" >
A.对
B.错
参考答案