X^3 (x-8)+6 (x-8)=(x-8)(x^3+6)
D= (7)2 - 4*12=49-48=1
х1,2= ((-7) плюс минус 1) / 2 = - 3; -4
Y=46sinx-46x+π/4
y`=46cosx-46
46cosx-46=0
46cosx=46
cosx=1
x=2πn
n=0 x=0∈[-π/2;π/2]
y(-π/2)=46sin(-π/2)-46*(-π/2)+π/4=-46+23π+π/4≈27 наиб
y(0)=46sin0-46*0+π/4=π/4≈0,8
y(π/2)=46sinπ/2-46*π/2+π/4=46-23π+π/4≈-25,4 наим
(Х в 4-10 х во 2 +25)— 7 х в 2 —29=хв4 — 10х во2 + 25 - 7хв 2 - 29 = х в 4 - 17хв2 - 4