If `vec(P).vec(Q)= PQ`, then angle between `vec(P)` and `vec(Q)` is

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If `vec(P).vec(Q)= PQ`, then angle between `vec(P)` and `vec(Q)` is
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Are isse aacha mai kudh se likh leta wrong answer

KshitijShende-ogzl
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Aare doutnut walo bnd kr do app kuch bhi pada rahe ho

binodtharruuu