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The direction-cosines of the line joinin...

The direction-cosines of the line joining (2, -4, 5) and (0, -6, 4) are

A

2, 2, 1

B

(-2, -2, -1)

C

2/3, 2/3, 1/3

D

None of these

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The correct Answer is:
C
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JMD PUBLICATION- A Gift paper from the publishers-Example
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