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Messages - DaiZhaoXiZhou

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Chapter 2 / Help for sec.2.6 12
« on: September 29, 2020, 10:09:46 PM »
my solution for 12 is c=-1/(x^2+y^2)^(1/2)
However the answer from the textbook is x^2+y^2=c
Can I write c=-1/(x^2+y^2)^(1/2) as the answer?

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