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UP TGT Mathematics Integration Test Series - Part 3

The envelope of a family of surfaces is tangent to:

Type: MCQ • Marks: 1
The envelope of a family of surfaces is tangent to:
Options
A. None of the members
B. Each member of the family
C. The origin
D. Only one member
Explanation
By definition, the envelope of a family of surfaces touches (is tangent to) every member of the family.
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