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1 # 使用者708801194
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2 # 使用者5554628915039
s1985516s
2021-03-17
複合函式應該用鏈式法則求導:若y=g(u),u=f(x),則dy/dx=dy/du*du/dxy=sin^5xdy/dx=dsin^5x/dsinx*dsinx/dx=5sin ⁴xcosxy=cos(4x+3)dy/dx=dcos(4x+3)/d(4x+3)*d(4x+3)/dx=-sin(4x+3)*4=-4sin(4x+3
)...
s1985516s
2021-03-17
複合函式應該用鏈式法則求導:若y=g(u),u=f(x),則dy/dx=dy/du*du/dxy=sin^5xdy/dx=dsin^5x/dsinx*dsinx/dx=5sin ⁴xcosxy=cos(4x+3)dy/dx=dcos(4x+3)/d(4x+3)*d(4x+3)/dx=-sin(4x+3)*4=-4sin(4x+3)...
sin5次方x的導數等於5倍sin4次方x乘cosx