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The acute angle between the lines whose ...

The acute angle between the lines whose direction ratios are 1, 1, 2 and `sqrt(3)-1, -sqrt(3)-1,4` is: a)`30^(@)` b)`45^(@)` c)`60^(@)` d)`90^(@)`

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`90^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
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