Отыскать y и выразить S как функцию V1) [tex]x= frac1-ay2+ay [/tex]

1
x(2+ay)=1-ay
xa+xay=1-ay
xay+ay=1-xa
y(xa+a)=1-xa
y=(1-xa)/(xa+a)
2
S=12t+8/t-5t
S=(12t+8t-5t)/t
V=6t-5
6t=V+5
t=(v+5)/6
S=[12(v+5)/216+8-5(v+5)/36]:(v+5)/6=
=[12(v+5)+8*216-30(v+5)]/216*6/(v+5)=[2(v+5)+288-5(v+5)]/([6(v+5)]=
=(2v+30v+150v+250+288-5v-50v-125)/(6v+30)=
=(2v+25v+100v+413)/(6v+30)