The line `vec r = 2 hat i - 3 hat j - hat k + lamda (hat i - hat j + 2 hat k)` lies in the plane `vec r (3 hat i + h

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Q 2019001819.     The line `vec r = 2 hat i - 3 hat j - hat k + lamda (hat i - hat j + 2 hat k)` lies in the plane

`vec r (3 hat i + hat j - hat k) + 2 = 0`.
A True
B False

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