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If P = (0, 1, 2), Q = (4, -2, 1), O = (0...

If P = (0, 1, 2), Q = (4, -2, 1), O = (0, 0, 0) then `anglePOQ=`

A

Only I is true

B

only II is true

C

both I and II are true

D

neither I nor II are true

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