Assertion: curve's length | /r/DefinedAs | the quantity
Facets:
Source sentences:
text: If X = R n {\displaystyle X=\mathbb {R} ^{n}} is the n {\displaystyle n} -dimensional Euclidean space, and if γ : [ a , b ] → R n {\displaystyle \gamma :[a,b]\to \mathbb {R} ^{n}} is an injective and continuously differentiable function, then the length of γ {\displaystyle \gamma } is defined as the quantity