syms x
diff(exp(x))
diff(exp(8*x))
diff(exp(-3*x))

Dt_Y1=diff(x*tan(x))

Dt_Y2=diff(x^4*log(2*x))

Dt_Y3=diff((sin(x))^2)

Dt_Y4=diff(exp(2*x)*cos(3*x))

Dt_Y5=diff(((2*x+1)/(3*x-1))^4)

Dt_Y6=diff(tan(3*x^2+2*x))

Dt_Y5=diff((sin(3*x^2-1))^2)