Find the co-ordinates of the foot of pe...

Find the co-ordinates of the foot of perpendicular and length of perpendicular drawn from point `(hati+6hatj+3hatk)` to the line `vecr = hatj+2hatk+lambda(hati+2hatj+3hatk)`.

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The correct Answer is:

`hati+3hatj+5hatk,sqrt(13)`

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