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OpenStudy (anonymous):
can anyone help me to let me know the actual meaning of envelopes,evolute, in differential calculus????????
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OpenStudy (anonymous):
An envelope of a family of curves in the plane is a curve which is a tangent to each member of the family at some point. Wiki gives a good explanation: http://en.wikipedia.org/wiki/Envelope_%28mathematics%29
OpenStudy (anonymous):
thanks!
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