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If lines x=ay+b, z= cy +d " and " x=a...

If lines `x=ay+b, z= cy +d " and " x=a' z+b`
`y+c' z+ d' ` are perpendicular then

A

ab'+bc'+1 = 0

B

bb'+cc'+1 = 0

C

cc'+a+a'=0

D

aa'+c'+c=0

Text Solution

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The correct Answer is:
D
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