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When the origin is shifted to the point ...

When the origin is shifted to the point (2 , 3) the transformed equation of a curve is `x^(2) + 3xy - 2y^(2) + 17 x - 7y - 11 = 0 ` . Find the original equation of curve.

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The correct Answer is:
`x^2+3xy-2y^2+4x-y-20=0`.
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