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If the direction cosines of a line are (...

If the direction cosines of a line are `(1/c,1/c,1/c)` then a)`0 lt c lt 1` b)`c gt 2` c)`c= pm sqrt2` d)`c= pm sqrt3`

A

`0 lt c lt 1`

B

`c gt 2`

C

`c= pm sqrt2`

D

`c= pm sqrt3`

Text Solution

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The correct Answer is:
D
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