六、求下列函数的导数: 3+2x y (x2+x+1) 3. y= Naasc 4.y =(arcsin) 5 6.y=2 7 8y=√a2-x2 9y=s(4x-3x3) 10.y e 2aos3x y 12. 13. 14.y= In[ n(Inx)] 15. y hn(x 16.y= In[lnr+ In(Inr) arcot+2 8y=√x+x2+√x+x