Tangent Line Slope of an Implicit Relation
At which point(s) on the graph of the relation x³ + y³ = 6xy is the slope of the tangent line equal to 1?
A
(3,3) only
B
Approximately (2.41, 1.05) and (1.05, 2.41)
C
No such points exist
D
(2,2) only
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