A、clear
syms x
y=(sin(1+log(x)))^2
y2=diff(y,x,2)
B、clear
syms x
y=sin((1+log(x))^2)
diff(y,x,2)
C、clear
syms x
y=sin(1+log(x)^2)
y2=diff(y,x,2)
D、clear
syms x
y=sin(1+log(x))^2
y2=diff(y,x)
E、clear
syms x
y=sin(1+log(x))^2
y=diff(y,x,2)
F、clear
x=2;
y=(sin(1+log(x)))^2
y2=diff(y,x)