1.

Cartesian equation of the line passing through the points bar(a)=2bar(i)+bar(j)-2bar(k) and bar(b)=2bar(i)+2bar(j)-bar(k) is

Answer»

`x-2=(y-1)/1=(z+2)/1`
`x+2=y+1=z+2`
`y-1=z+2, x-2=0`
`(y-1)/2=(z-2)/1, x-2=0`

ANSWER :C


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