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Three vectors →P,→Q and →R are such that |→P|=|→Q|,|→R|=√2|→P|, and →P+→Q+→R=→0. The angles between →P and →Q,→Q and →R, and →P and →R are

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Three vectors P,Q and R are such that |P|=|Q|,|R|=2|P|, and P+Q+R=0. The angles between P and Q,Q and R, and P and R are



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