can any one check whether my answers are right:
y'' = 2e^(2x)[(2A+B)COSX-(A+2B)SINX]-e^(2x)[(2A+B)SINX + (A+2B)COSX]
AND THEN WHEN I SUBSTITUED THE Y,Y' AND Y'' AND I GOT EQUATIONS AND THEY ARE
13A+7B = 1
-7A-9B = 0
AM I RIGHT..HELP WOULD BE APPRECIATED THANKS