Question #145837
The curve x^4+y^4=4a^2xy is symmetric with respect to the origin.
True or false with full explanation
1
Expert's answer
2020-11-23T19:32:38-0500

Let (x0,y0)(x_0, y_0) is the point of the equation, that is x04+y04=4a2x0y0.x_0^4+y_0^4=4a^2x_0y_0.

Consider (x0,y0)(-x_0, -y_0) – symmetric point with respect to the origin.

Substitute it into the equation:

(x0)4+(y0)4=4a2(x0)(y0),(-x_0)^4+(-y_0)^4=4a^2(-x_0)(-y_0),

or x04+y04=4a2x0y0.x_0^4+y_0^4=4a^2x_0y_0.

So the curve is symmetric with respect to the origin.









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