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If →a and →b are two vectors perpendicular to each other and |→a|=|→b|=1 . Determine the angle between →a+→b and −→2a+→b |
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Answer» If →a and →b are two vectors perpendicular to each other and |→a|=|→b|=1 . Determine the angle between →a+→b and −→2a+→b |
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