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The equation a x^(2)+b y^(2)+c x+c y=0, ...

The equation `a x^(2)+b y^(2)+c x+c y=0, c ne 0` represents a pair of lines, if

A

`a+b=0`

B

`b+c=0`

C

`a+c=0`

D

`a+b+c=0`

Text Solution

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The correct Answer is:
A
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HIMALAYA PUBLICATION-Pair Of Lines-QUESTION BANK
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