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Co - ordinate Geometry Pair of Lines

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The pair of straight lines passes through the point(1, 2) and perpendicular to the pair of straight lines 3x² - 8xy + 5y² = 0 , is

A. (5x + 3y + 11 )(x + y + 3) = 0

B. (5x + 3y - 11 )(x + y - 3) = 0

C. (3x + 5y - 11 )(x + y + 3) = 0

D. (3x - 5y + 11 )(x + y - 3) = 0

E. None of the above

View Answer

Correct choice: A

Explanation:

Equation of the lines are (px + qy)(py - qx) = 0.
Hence, one line is px + qy = 0.

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Eamcet Mathematics Co - ordinate Geometry Pair of Lines

Eamcet Mathematics
Co - ordinate Geometry Pair of Lines