The lines represented by the equation x 2 + 2 3 x y + 3 y 2 - 3 x - 3 3 y - 4 = 0 , are

Question

The lines represented by the equation x 2 + 2 3 x y + 3 y 2 - 3 x - 3 3 y - 4 = 0 , are, perpendicular to each other, parallel, inclined at 45 o to each other, None of these

MARKS App · Accepted Answer

The given equation can be written as ( x + 3 y ) 2 − 3 ( x + 3 y ) − 4 = 0 ⇒ x + 3 y + 1 = 0 , x + 3 y = 4 Hence, given equation represents two parallel lines

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