If x co-ordinate of a point on the line ...

If x co-ordinate of a point on the line joining points (2,2,1) and (5,1,-2)
is 4, then its z co-ordinate will be

A

(a) `1`

B

(b) `-1`

C

(c) `2`

D

(d) `-2`

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The correct Answer is:

B

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