A line passes through the points with position vectors are hat i+ hat j-2 hat k and hat i-3 hat j+ hat k . The posit

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Q 1387101987.     A line passes through the points with position vectors are hat i+ hat j-2 hat k and hat i-3 hat j+ hat k . The position vector of a point on the line which is at a unit distance from the first point is ?
A

frac{1}{5}(hat i-4hat j+3hat k)

B

frac{1}{5}(6 hat i+ hat j-7 hat k)

C

none of these

D

frac{1}{5}(4 hat i+9 hat j-13 hat k)

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(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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