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If the two lines (x-1)/(2) = (1-y)/(-a) ...

If the two lines `(x-1)/(2) = (1-y)/(-a) = (z)/(4)` and `(x-3)/(1) = (2y-3)/(4) = (z-2)/(2)` are perpendicular, then the value of a is equal to

A

`-4`

B

5

C

`-5`

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
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