高二数学导数基础tanx+cotx求导,答案变形为-4cos2x/sin2x^2;x^2lnx+1/logaX(a>0,a不等于1,x>0)求导,答案变形为2xlnx+x-lna/xlnx^2.急需,谢~~
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高二数学导数基础
tanx+cotx求导,答案变形为-4cos2x/sin2x^2;x^2lnx+1/logaX(a>0,a不等于1,x>0)求导,答案变形为2xlnx+x-lna/xlnx^2.急需,谢~~
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