Question
Which of the following sets are closed under addition? (i) The set of all vectors in R 2of the form ( a , b )
Which of the following sets are closed under addition?
(i) The set of all vectors inR2of the form (a,b) whereb=a.
(ii) The set of all 33 matrices that have the vector [2-2-4]Tas an eigenvector.
(iii) The set of all polynomials inP2of the forma0+a1x+a2x2wherea0=a22.
(A)(iii) only(B)(i) and (iii) only(C)(i) and (ii) only(D)all of them(E)none of them(F)(ii) only(G)(i) only(H)(ii) and (iii) only
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Continuous Pseudometrics
Authors: W W Comfort ,S Negrepontis
1st Edition
0824762940, 978-0824762940
