Let a, b, c are any three unit vectors such that |-b+ | b-c + |...
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Let a, b, c are any three unit vectors such that |-b+ | b-c + | c-al = 9 then find a +5b +5c| Let a, b, c are any three unit vectors such that |-b+ | b-c + | c-al = 9 then find a +5b +5c|
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