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The two curves x^3 - 3x y^2 + 2 = 0 and ...

The two curves `x^3 - 3x y^2 + 2 = 0` and `3x^2y - y^3 - 2 = 0` intersect at an angle of

A

`pi/4`

B

`pi/3`

C

`pi/2`

D

`pi/6`

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