1
y=(1/3)^x+ln(3x)
y'=ln(1/3) *(1/3)^x +3*(1/3x)
2
y=(1-√x)(1+1/√x)=(1-x)/√x=1/√x-√x √x=x^(1/2)
y'=(-1/2)*(1/√x^3)-(1/2)(1/√x)
3
y=cos2x/(sinx+cosx)=cosx-sinx
y'=-sinx-cosx
1
y=(1/3)^x+ln(3x)
y'=ln(1/3) *(1/3)^x +3*(1/3x)
2
y=(1-√x)(1+1/√x)=(1-x)/√x=1/√x-√x √x=x^(1/2)
y'=(-1/2)*(1/√x^3)-(1/2)(1/√x)
3
y=cos2x/(sinx+cosx)=cosx-sinx
y'=-sinx-cosx