If O is the origin and P=(2, 3), Q=(4, 5...

If O is the origin and `P=(2, 3), Q=(4, 5)` then `OP*OQ cos angle POQ=`

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DIPTI PUBLICATION ( AP EAMET)-COORDINATE SYSTEM (2D) -EXERCISE 24

If O is the origin and P=(2, 3), Q=(4, 5) then OP*OQ cos angle POQ=
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