English, 15.06.2021 06:30 avahrider1

2x+2y-4z=m -3x+5y-z=3
-4x-4y+8z=-2
xác định giá trị của tham số m để hệ phương trình sau có vô số nghiệm

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2x+2y-4z=m -3x+5y-z=3
-4x-4y+8z=-2
xác định giá trị của tham số m để hệ phương trình sa...

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2x+2y-4z=m -3x+5y-z=3 -4x-4y+8z=-2 xác định giá trị của tham số m để hệ phương trình sau có vô số nghiệm

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2x+2y-4z=m -3x+5y-z=3
-4x-4y+8z=-2
xác định giá trị của tham số m để hệ phương trình sau có vô số nghiệm