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Find the separate equation of the line represented by the following equation: xxyy3x2-23xy-3y2=0

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Question

Find the separate equation of the line represented by the following equation:

`3"x"^2 - 2sqrt3"xy" - 3"y"^2 = 0`

Sum
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Solution

`3"x"^2 - 2sqrt3"xy" - 3"y"^2 = 0`

∴ `3"x"^2 - 3sqrt3"xy" + sqrt3"xy" - 3"y"^2 = 0`

∴ `3"x"("x" - sqrt3"y") + sqrt3"y"("x" - sqrt3"y") = 0`

∴ `("x" - sqrt3"y")("3x" + sqrt3"y") = 0`

The separate equations of the lines are

∴ `"x" - sqrt3"y" = 0` and `"3x" + sqrt3"y" = 0`

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Chapter 4: Pair of Straight Lines - Exercise 4.1 [Page 119]

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