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The angle between the lines AB and CD, w...

The angle between the lines AB and CD, where `A(0, 0, 0), B(1, 1, 1), C(-1, -1, -1) and D(0, 1, 0)` is given by

A

`cos(theta)=(1)/(sqrt(3)`

B

`cos(theta)=(4)/(3sqrt(2))`

C

`cos(theta)=(1)/(sqrt(5))`

D

`cos(theta)=(1)/(2sqrt(2))`

Text Solution

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The correct Answer is:
(b)
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