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Lis71510
@Lis71510
August 2021
1
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Пожалуйста решите, очень надо !
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sedinalana
Verified answer
1
2
3
y1=-0,5x²
x -4 -3 -2 -1 0 1 2 3 4
y -8 -4,5 -2 -0,5 0 -0,5 -2 -4,5 -8
y2=x-4
x -4 2
y -8 -2
Ответ x=-4;x=2
4
1)(c-2)/(c+2)-c/(c-2)=(c²-4c+4-c²-2c)/(c²-4)=(4-6c)/(c²-4)
2)2(2-3c)/(c-2)(c+2)*(c+2)/(2-3c)=2/(c-2)
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Answers & Comments
Verified answer
12
3
y1=-0,5x²
x -4 -3 -2 -1 0 1 2 3 4
y -8 -4,5 -2 -0,5 0 -0,5 -2 -4,5 -8
y2=x-4
x -4 2
y -8 -2
Ответ x=-4;x=2
4
1)(c-2)/(c+2)-c/(c-2)=(c²-4c+4-c²-2c)/(c²-4)=(4-6c)/(c²-4)
2)2(2-3c)/(c-2)(c+2)*(c+2)/(2-3c)=2/(c-2)