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Prove that the angle between the lines j...

Prove that the angle between the lines joining the origin to the points of intersection of the straight line `y=3x+2` with the curve `x^2+2x y+3y^2+4x+8y-11=0` is `tan^(-1)((2sqrt(2))/3)`

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Prove that the angle between the lines joining the origin to the points of intersection of the straight line y=3x+2 with the curve x^(2)+2xy+3y^(2)+4x+8y-11=0 is tan^(-1)((2sqrt(2))/(3))

Find the angle between the lines joining the origin to the points of intersection of the straight line y=3x+2 with the curve x^(2)+2xy+3y^(2)+4x+8y=11=0 .

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