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Co - ordinate Geometry Pair of Lines

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If the equation Ax² + 2bxy + cy² + Dx + Ey + F = 0 represents a pair of straight lines, then B² - AC

A. <0

B. =0

C. >0

D. ≠0

E. None of the above

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Correct choice: E

Explanation:

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Eamcet Mathematics Co - ordinate Geometry Pair of Lines

Eamcet Mathematics
Co - ordinate Geometry Pair of Lines