Direction ratios of the line `x + y + z- 7 = 0, 4x + y - 2z + 7 = 0` are `< 1, -2, 1 >`

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Q 2601191028.     Direction ratios of the line `x + y + z- 7 = 0, 4x + y - 2z + 7 = 0` are `< 1, -2, 1 >`
A True
B False

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