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The lines x+(a-1) y+1=0 and 2 x+a^(2) y-...

The lines `x+(a-1) y+1=0` and `2 x+a^(2) y-1=0` are perpendicular if

A

`|a|=2`

B

`0ltalt1`

C

`-1ltalt0`

D

`a=-1`

Text Solution

Verified by Experts

The correct Answer is:
D
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