0 votes 0 votes The general solution of $\dfrac{\mathrm{d^{2}} y}{\mathrm{d} x^{2}}-6\dfrac{\mathrm{d} y}{\mathrm{d} x}+9y=0$ is $y=C_{1}e^{3x}+C_{2}e^{-3x}$ $y=(C_{1}+C_{2}x)e^{-3x}$ $y=(C_{1}+C_{2}x)e^{3x}$ $y=C_{1}e^{3x}$ Differential Equations gate2020-ec differential-equations second-order-differential-equation + – go_editor asked Feb 13, 2020 recategorized Mar 3, 2021 by Lakshman Bhaiya go_editor 1.9k points 213 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.