The solution of the folloing second order ODE $y^{\text{'}\text{'}}-5y^{\text{'}}+6y=0,y(0)=0,y^{\text{'}}(0)=1$

a$.y=e^{3x}-e^{2x}$

b$.y=\frac{1}{7}(e^{6x}-e^{-x})$

c$.y=\frac{1}{7}(e^x-e^{-6x})$

d$.y=e^{-2x}-e^{-3x}$

e$.$ None