PG$16$

$")()().$

$(0)=1(0)=-1$

$$

$*****.*****$d$$y dy $-10+9$y $=5$t dt$2$ dt $+94-5$t $10)=$: $--10$ df$""$ dy oaz $$ auti uxiliary $$ mr$\_$ om't $9-$O OY oy m$-$ om $-$ m $+9$ o OY oy mm$-)-(-)=0($m$-1)(-9)$ m $=1,9$ m $$ complementary function is qe te G are C$.$F gt arbitrary The onstants. P$.$ I is $15$t $2$ bh$-100+9(4)1$ t abo D $-$ lop $17-102-100)$ t $2512-10$D $+9(1--(+-5(0-1))=($t $+10)-$ C$.$R & P$.$I $=8+(++14)$ CO dax dx $+2+3$x $=$ r $($t$)$ dt$2$ dt $"$