If the lines x + (a - 1)y + 1 = 0 and 2x + a2y - 1 = 0 are prepedicula – McqOptions

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1.	If the lines x + (a - 1)y + 1 = 0 and 2x + a2y - 1 = 0 are prepedicular, then the condition satisfied by a is
A.	\|a\| = 2
B.	0 < a < 1
C.	-1 < a < 0
D.	a = -1
Answer» E.

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