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Let vec u be a vector on rectangular ...

Let ` vec u` be a vector on rectangular coordinate system with sloping angle `60^0dot` Suppose that `| vec u- hat i|` is geometric mean of `| vec u|a n d| vec u-2 hat i|,w h e r e hat i` is the unit vector along the x-axis. Then find the value of `(sqrt(2)+1)| vec u|dot`

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Let vec u be a vector on rectangular coordinate system with sloping angle 60^(0). Suppose that |vec u-hat i| is geometric mean of |vec u| and |vec u-2hat i|, where hat i is the unit vector along the x-axis.Then find the value of (sqrt(2)+1)|vec u|

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