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Co - ordinate Geometry Pair of Lines

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If 6x² + 11xy - 10y² + x + 31y + k =0 represents a pair of straight lines, then k=

A. -15

B. 6

C. -10

D. -4

E. None of the above

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Correct choice: A

Explanation:

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Eamcet Mathematics Co - ordinate Geometry Pair of Lines

Eamcet Mathematics
Co - ordinate Geometry Pair of Lines