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Decide whether the vector ???? lies in the linear span of the vectors ???? = (????_????), …,(????_????). If so, express the vector ???? as a linear combination of the vectors (????_????), …,(????_????). You can find more videos or educational materials on the channel @matematikamazelenaou8523 or on the websites matematika-ma-zelenou.cz or tahakydokapsy.cz.