函数y=x3+2x2-x+1在点(0,1)处的切线的倾斜角
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函数y=x3+2x2-x+1在点(0,1)处的切线的倾斜角函数y=x3+2x2-x+1在点(0,1)处的切线的倾斜角函数y=x3+2x2-x+1在点(0,1)处的切线的倾斜角y''=3x^2+4x-1当
函数y=x3+2x2-x+1在点(0,1)处的切线的倾斜角
函数y=x3+2x2-x+1在点(0,1)处的切线的倾斜角
函数y=x3+2x2-x+1在点(0,1)处的切线的倾斜角
y'=3x^2+4x-1
当x=0时k=0+0-1=-1
设倾斜角为a
-1=tana
所以a=135°