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y=l n(3sinx^2+2)的微分
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y=3^[sin(x^2)]
这是由三个函数复合而来,用链式求导法则
dy/dx=ln3{3^[sin(x^2)]}d[sin(x^2)]/dx=yln3cos(x^2)d(x^2)/dx=2ln3[xycos(x^2)]
dy=2ln3[xcos(x^2)(3^sinx^2)]dx
咨询记录 · 回答于2021-11-26
y=l n(3sinx^2+2)的微分
1
y=3^[sin(x^2)]这是由三个函数复合而来,用链式求导法则dy/dx=ln3{3^[sin(x^2)]}d[sin(x^2)]/dx=yln3cos(x^2)d(x^2)/dx=2ln3[xycos(x^2)]dy=2ln3[xcos(x^2)(3^sinx^2)]dx
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