17e0a756f3d6e2a.jpg,计算[img=23x22]17e0b849ab0b36c.jpg[/img]实验命令为( ).
A: f=diff(log(x),3)f=2/x^3
B: syms x; f=diff(log(x),3)f=2/x^3
C: syms x;f=diff(logx,3)f=2/x^3
A: f=diff(log(x),3)f=2/x^3
B: syms x; f=diff(log(x),3)f=2/x^3
C: syms x;f=diff(logx,3)f=2/x^3
举一反三
- 17da426f4cb2265.jpg,计算[img=23x22]17da426f58ddf0c.jpg[/img]实验命令为( ). A: f=diff(log(x),3)f=2/x^3 B: syms x; f=diff(log(x),3)f=2/x^3 C: syms x;f=diff(logx,3)f=2/x^3
- 17e0b849b7d64bd.jpg,计算[img=19x34]17e0ab14a855463.jpg[/img]实验命令为(). A: syms x;f=diff(asinsqrt(x))f=1/2/x^(1/2)/(1-x)^(1/2) B: f=diff(asin(sqrt(x)))f=1/2/x^(1/2)/(1-x)^(1/2) C: syms x;diff(asin(sqrt(x)))f=1/2/x^(1/2)/(1-x)^(1/2)
- 17da42840675a6d.jpg,计算[img=19x34]17da4275482315f.jpg[/img]实验命令为(). A: syms x;f=diff(asinsqrt(x))f=1/2/x^(1/2)/(1-x)^(1/2) B: f=diff(asin(sqrt(x)))f=1/2/x^(1/2)/(1-x)^(1/2) C: syms x;diff(asin(sqrt(x)))f=1/2/x^(1/2)/(1-x)^(1/2)
- 17e0b849d3a4a3b.jpg,计算[img=19x34]17e0ab14a855463.jpg[/img]的实验命令为（ ）. A: syms x; f=diff((1+sin(x)^2)/cos(x),1)f=2*sin(x) + (sin(x)*(sin(x)^2 + 1))/cos(x)^2 B: f=diff((1+sinx^2)/cosx,1)f=1/2/x^(1/2)/(1-x)^(1/2) C: syms x;f=diff((1+sinx^2)/cosx,1)f=2*sin(x) + (sin(x)*(sin(x)^2 + 1))/cos(x)^2
- 要求f(x)的二阶导数，应使用命令： A: diff(f(x),xx) B: diff(f(x),'x','x') C: diff(f(x),2) D: diff(f(x),'x',2)