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Q. Show that if curvature K(t) of a regular curve γ(t) is >0 every where, then k(t) is a smooth function of t. Give an example to show that this may not be the case without the assumption that k>0.
Q.Torsion is defined only when K(S)≠0 (why?)
Let X={a,b,c,d}, A={ } be a subset of X, T={ ϕ,{a},{a,b},{a,b},X} be a topology on X. Find limit points
Let X={a,b,c,d} with the topology T={ ϕ,{a},{a,b},{a,b,c,d}}.Find close set.
Let X={a,b,c,d} with the topology T={ ϕ,{a},{a,b},{a,b,c,d}}.Find closure.
Q. Write and solve an example of closure of a set.
Let X={a,b,c,d} with the topology T={ ϕ,{a},{a,b},{a,b,c,d}}.Find closed set, subspace and closure.
true/false? prove.
1/2 is a limit of the interval ]− 2.5,1.5[
Let X be a metric space, let K be a closed subset of X, and let x be in X-K. Prove that there exist disjoint open sets U and V such that U contains x and V contains K.
I need to prove whether these two topological spaces are homeomorphic: RP^2 and S^2\{∞}.
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