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The straight line (x-3)/3=(y-2)/1=(z-1)/...

The straight line `(x-3)/3=(y-2)/1=(z-1)/0` is (a)Parallel to x-axis (b)Parallel to the y-axis (c)Parallel to the z-axis (d)Perpendicular to the z-axis

A

(A) Parallel to x-axis

B

(B) Parallel to the y-axis

C

(C) Parallel to the z-axis

D

(D) Perpendicular to the z-axis

Text Solution

Verified by Experts

The line is along the vector `3hati+hatj` which is perpendicular to the z-axis as `(3hati+hatj)*hatk=0`.
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