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# Coordinate geometry

Let $$A$$ be a region in the $$xy$$-plane given by $$A=\{(x,y):x=u+v,y=v,u^2+v^2<=1 \} .$$

Derive the length of the longest line segment that can be enclosed inside the region $$A$$.

Note by Pratik Roy
11 months, 2 weeks ago

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can anyone please tell me how to do it · 11 months, 2 weeks ago