Х/103,3=5,6/17,2
103,3*5,6=17,2Х
17,2Х=578,48
Х=578,48-17,2
Х=561,28
<span>8/15y-3/10y+3/5y=1/2
16y - 9y + 18y = 15
25y = 15
y = 0.6</span>
<span>y" − 2y′+ 10y = 0
линейное однородное ДУ 2 порядка
</span>
<span>k^2− 2k+ 10 = 0
d=4-40=-36
k1=1+3i
k2=1-3i
</span>y(x)=e^x*(С1*sin(3*x)+С2*cos(3*x))
y(0)=e^0*(С1*sin(0)+С2*cos(0))=1*(С1*0+С2*1)=C2=3
y(x)=e^x*(C1*sin(3*x)+3*cos(3*x))
y`(x)=e^x*(C1*sin(3*x)+3*cos(3*x))+e^x*(3*C1*cos(3*x)-9*sin(3*x))
y`(0)=e^0*(C1*sin(3*0)+3*cos(3*0))+e^0*(3*C1*cos(3*0)-9*sin(3*0))
y`(0)=3+3*C1=0
C1=-1
y(x)=e^x*(-sin(3*x)+3*cos(3*x))
/2\ 2
(-) log
\9/
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