A line passes through the points ( 6,-7, - 1) and (2,- 3, 1). The direction cosines of the line so that the angle

### Question Asked by a Student from EXXAMM.com Team

Q 2117534489.     A line passes through the points ( 6,-7, - 1) and (2,- 3, 1).

The direction cosines of the line so that the angle made by

it with positive direction of x-axis is acute, are ........... .
A

-2/ 3,- 2/ 3, -1 / 3

B

-2/ 3,+ 2/ 3, -1 / 3

C

2/ 3,- 2/ 3, -1 / 3

D

- 2/ 3,- 2/ 3, +1 / 3

#### HINT

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

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