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Let the unit vectors →a and →b are perpendicular and the unimodulus vector →c inclined at an angle α to →a and →b. If →c=l→a+m→b+n(→a×→b), then |
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Answer» Let the unit vectors →a and →b are perpendicular and the unimodulus vector →c inclined at an angle α to →a and →b. If →c=l→a+m→b+n(→a×→b), then |
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