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If the equation 2x^(2) + 7xy+3y^(2) - 9x...

If the equation `2x^(2) + 7xy+3y^(2) - 9x - 7y+k=0` represents a pair of lines, then kis equal to

A

4

B

2

C

1

D

-4

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The correct Answer is:
A
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