2 2 7 9 16 20 ()A. 28 B. 29 C. 30 D. 31
2 2 7 9 16 20 ()
A. 28
B. 29
C. 30
D. 31
2 2 7 9 16 20 ()
A. 28
B. 29
C. 30
D. 31
A.(19)(18)(8)(7)(5)(2)(4)(7)(13)
B.(19)(18)(7)(8)(2)(5)(4)(7)(13)
C.(18)(19)(7)(8)(5)(2)(4)(7)(13)
D.(18)(19)(8)(7)(5)(2)(4)(13)(7)
A.(2)(1)(6)(8)(5)(7)(12)(4)(11)(18)
B.(1)(2)(6)(8)(5)(7)(12)(4)(11)(18)
C.(2)(1)(6)(8)(5)(7)(12)(4)(18)(11)
D.(1)(2)(6)(8)(5)(7)(12)(4)(18)(11)
求下列函数的导数:
(1)y=(2+5x)20;
(2)y=asin(ωx+b);
(3)y=cos2x;
(4)y=3tanx;
(5)y=lnlnx;
(6)y=cosx2;
(7)y=arcsin(1/x);
(8)y=loga(x2+x+1);
(9)y=cos34x;
(10)y=(sinx2)3;
(11)y=sin√(1+e-x);
(12)y=arcsin(sin2x);
(13)y=e-xsec4x;
(14)y=arccos√x;
(15)y=arccot;
(16)y=。
3, 2, 5, 4, 7, 8, 9, 16, 11 ()
A.12
B.32
C.40
D.10
4, 3/2, 20/27, 7/16,36/125,()
A. 9/272
B. 1/224
C. 9/224
D. 11/224