先把sin(X^2)看成整体,导数是3[sin(x^2)]^2
再把x^2看成整体,导数是cos(x^2)
最后求x^2的导数是2x
根据复合函数求导的公式,y'=3[sin(x^2)]^2*cos(x^2)*2x=6xcos(x^2)[sin(x^2)]^2
先把sin(X^2)看成整体,导数是3[sin(x^2)]^2
再把x^2看成整体,导数是cos(x^2)
最后求x^2的导数是2x
根据复合函数求导的公式,y'=3[sin(x^2)]^2*cos(x^2)*2x=6xcos(x^2)[sin(x^2)]^2