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Let →u be a vector on rectangular coordinate system with sloping angle 60∘. Suupose that |→u−^i| is geometric mean of |→u| and |→u−2^i|, then the value of 2(√2+1)|→u|=

Answer» Let u be a vector on rectangular coordinate system with sloping angle 60. Suupose that |u^i| is geometric mean of |u| and |u2^i|, then the value of 2(2+1)|u|=


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