10. y″+y={−t,0≤t<π,−t,t≥π,y(0)=0,y′(0)=0 12. \(y''+y=\left\{\begin{array}{cl} t,&0\le t<2\pi,\\-2t,&t\ge 2\pi,\end{arr...10. y″+y={−t,0≤t<π,−t,t≥π,y(0)=0,y′(0)=0 12. y″+y={t,0≤t<2π,−2t,t≥2π,y(0)=1,y′(0)=2 Resolver el problema de valor inicialy″=f(t),y(0)=0,y′(0)=0, dondef(t)=m+1,m≤t<m+1,m=0,1,2,….