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If the equation ax^2+by^2+cx+cy=0 repres...

If the equation `ax^2+by^2+cx+cy=0` represents a pair of straight lines , then

A

a+b=0

B

c=0

C

a+c=0

D

c(a+b)=0

Text Solution

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The correct Answer is:
A, B, D
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