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Eamcet Mathematics
Co - ordinate Geometry Pair of Lines

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If the lines represented by the equation ax² - bxy - y² = 0 make angles α and β with the x-axis, then tan(α + β) =

A. b/(1 + a)

B. -b/(1 + a)

C. a/(1 + b)

D. -a/(1 + b)

E. None of the above

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Correct choice: B

Explanation:

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Eamcet Mathematics Co - ordinate Geometry Pair of Lines

Eamcet Mathematics
Co - ordinate Geometry Pair of Lines