1.𠕇(x^sinx)cosx dx=?

2.𠕇1/(1-x^2)^(1/2) dx=?

3.d/dx(x^x^x^x^x^x^x)=?

4.𠕇2(x^3)--2(x^2)+10/x^2-2x-24 dx =?(要有過程)

5.d/dx{(2x-1)(x^4+2x-1)[5(x^2)](x^3+42x-3)]=?

6. 若f(t)=sinx+9x-x^2-44, 求f^2001=?