Ответы на вопрос:
Y=xsin(x)+cos(x)-sin(x)+2 y`=xsin(x)+xcos(x)-sin(x)-cos(x) y`= xcos(x)-cos(x) y=0 scos(x)-cos(x) cos(x)*(x-1)=0 a) cos(x)=0 x=(pi/2)+pi*n b) x-1=0 x=1 y=xsin(x)+cos(x)-sin(x)+2 y`=sin(x)+xcos(x)-sin(x)-cos(x) y`=xcos(x)-cos(x) y`=0 xcos(x)-cos(x) cos(x)*(x-1)=0
a) cos(x)=0x=(pi/2) + pi*n
b) x-1=0 x=1
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