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If x^(2)- 10xy + 4y^(2) + 6x + 2y + k = ...

If `x^(2)- 10xy + 4y^(2) + 6x + 2y + k = 0` represents a pair of straight lines then, k=

A

`-1/3`

B

`2/3`

C

`-2/3`

D

None

Text Solution

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The correct Answer is:
A
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