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Find an equation of… - QuestionCove
OpenStudy (anonymous):

Find an equation of a curve that intersects at right angles every curve of the family y=1/x+k (where k takes all real values)? (The answer is y=(1/3)x^3 and f(x)=1/x+k, so f'(x)=-1/x^2. But what should I do next?)

3 years ago
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