1) y" - (a + b) y' + aby = 0. Ans.: y=Ce +C e*. d°y sd*y_2d'y_10d*y + +5y=0. dx dx dr dx dx Ans.: y= (C, +C,x)e* +(C, +C_x)e¯* +Ce %. 4) y" + y' + y= e* sin 2x. Ans.: y=e"?(C, cosx+C, sin x). 2...

Extracted text: 1) y" - (a + b) y' + aby = 0. Ans.: y=Ce +C e*. d°y sd*y_2d'y_10d*y + +5y=0. dx dx dr dx dx Ans.: y= (C, +C,x)e* +(C, +C_x)e¯* +Ce %. 4) y" + y' + y= e* sin 2x. Ans.: y=e"?(C, cosx+C, sin x). 2 Solution of 1 homogeneous linear DE with constant coefficients