The equation of pair of straight lines joining the point of intersection of the curve $x^{2} + y^{2} = 4$ and y - x = 2 to the origin, is

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Solution

The correct option is A

Equation can be formed by homogenising the curve w.r.t. line.

i.e., $x^{2} + y^{2} = 4 {(\frac{y - x}{2})}^{2}$ or $x^{2} + y^{2} = (y - x)^{2}$ .

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The equation of pair of straight lines joining the point of intersection of the curve x2+y2=4 and y - x = 2 to the origin, is

The correct option is A Equation can be formed by homogenising the curve w.r.t. line. i.e., x2+y2=4(y−x2)2 or x2+y2=(y−x)2.

The equation of pair of straight lines joining the point of intersection of the curve $x^{2} + y^{2} = 4$ and y - x = 2 to the origin, is

The correct option is A

Equation can be formed by homogenising the curve w.r.t. line.

i.e., $x^{2} + y^{2} = 4 {(\frac{y - x}{2})}^{2}$ or $x^{2} + y^{2} = (y - x)^{2}$ .