MathDB
graph of equation

Source: LIMIT 2019 CBS1 P4

April 28, 2021
geometryalgebra

Problem Statement

The equation x3y+xy3+xy=0x^3y+xy^3+xy=0 represents <spanclass=′latex−bold′>(A)</span> a circle<span class='latex-bold'>(A)</span>~\text{a circle} <spanclass=′latex−bold′>(B)</span> a circle and a pair of straight lines<span class='latex-bold'>(B)</span>~\text{a circle and a pair of straight lines} <spanclass=′latex−bold′>(C)</span> a rectangular hyperbola<span class='latex-bold'>(C)</span>~\text{a rectangular hyperbola} <spanclass=′latex−bold′>(D)</span> a pair of straight lines<span class='latex-bold'>(D)</span>~\text{a pair of straight lines}
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