If a vector 2icap+3jcap+8kcap is perpendicular to the vector 4jcap-4icap+alphakcap.Then the value of alpha is x/2,Find x
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gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. It is by far the weakest known force in nature and thus plays no role in determining the internal properties of everyday matter. On the other hand, through its long reach and universal action, it controls the trajectories of bodies in the solar system and elsewhere in the universe and the structures and evolution of stars, galaxies, and the whole cosmos.
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