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Find the values of a for which points (...

Find the values of a for which points
`(8,-7,a),(5,2,4)` and `(6,-1,2)` are collinear.

A

(a) `2`

B

(b) `-1`

C

(c) `3`

D

(d) `-2`

Text Solution

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The correct Answer is:
D
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