Помогите x(t) =0,75t^2+t-7 t=19

Question

Помогите x(t) =0,75t^2+t-7 t=19

Answer 1

X1(t)=0,75*t^3+2,25*t^2+t;x2(t)=0,25*t^3+3*t^2+1,5*t v1(t)=2,25*t^2+4,5*t+1; v2(t)=0,75*t^2+6*t+1,5; a1(t)=4,5*t+4,5; a2(t)=1,5*t+6; a1(t)=a2(t);4,5*t+4,5=1,5*t+6;  3*t=1,5; t=0,5; v1(0,5)=2,25*0,5^2+4,5*0,5+1; v2(0,5)=0,75*0,5^2+6*0,5+1,5;