25Y. twenty five. 575 likes. Clothing (Brand) ... <看更多>

ODEs: Find the general solution to the linear ODE y" - 6y' + 25y = 0. The characteristic polynomial of this equation has roots r = 3 +/- 4i ... ... <看更多>

How to find the general solution to the second order homogeneous equation y" - 6y + 25y =0 which has complex roots. ... <看更多>