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If 6a^2-3b^2-c^2+7ab-ac+4bc=0 then the ...

If `6a^2-3b^2-c^2+7ab-ac+4bc=0` then the family of lines `ax+by+c=0,|a|+|b| != 0` can be concurrent at

A

`(-2,-3)`

B

`(3,-1)`

C

`(2,3)`

D

`(-3,1)`

Text Solution

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The correct Answer is:
A, B
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