2. Let D, D2 be two simply-connected regions and both are not C. Suppose z1 E D1, 2 E D2. Prove or disprove that Di...
left f:A->B and let D1, D2, and D be subsets of B prove or disprove f^-1(D1UD2)=f^-1(D1)Uf^-1(D2) does the proof change when it says subset of B vs subset of A let f:A->B and let D1, D2, and D be subsets of A. Prove or Disprove F^-1(D1UD2)=F^-1 (D1)UF^-1(D2)
2.) (b): Prove or disprove the following problems. 1. Suppose fn(x) is uniformly convergent to fon D= [a, b]. Let ce [a, b]. Is fr uniformly convergent to f on D1 = (a, and/or D2 = (c, b)? = (a, and D2 = [c, b). Is in 2. Let a <c<b. Suppose fn(x) is uniformly convergent to f on D uniformly convergent to f on D = (a,b). 3. Suppose that fn(a) is uniformly convergent to fon , i=1,2,... Is...
5. Let (S,d) be a metric space. Let E c S. Prove or disprove: if E-d(E), then int(E)- .
2. Let U C R2 be simply connected and let to E U. Let g: U(oR2 be irrotational and of class C1. Assume that there exists r >0 such that B(zo, r) C U and g=0. Let γ be a closed sinile polygonal arc with range in U \ {zo), let「be its range, and let V be the bounded connected component of R2 \ Г. (a) Assume that V C U \ [xo) and prove that g=0. (b) Assume that...
Topology 3. Either prove or disprove each of the following statements: (a) If d and p map (X, d) X, then the identity topologically equivalent metrics (X, p) and its inverse are both continuous are two on (b) Any totally bounded metric space is compact. (c) The open interval (-r/2, n/2) is homeomorphic to R (d) If X and Y are homeomorphic metric spaces, then X is complete if and only if Y is complete (e) Let X and Y...
d1= 3 and d2= 2 Question 1 ch- 3, d2 - 2 (a) Find the most general solution u(x, y) of the two PDEs Lt +1) y cos y +(di +1)x cos ((d, +1)xy)+2x d2 (b) Find the solution that satisfies initial condition u(0,0) Question 1 ch- 3, d2 - 2 (a) Find the most general solution u(x, y) of the two PDEs Lt +1) y cos y +(di +1)x cos ((d, +1)xy)+2x d2 (b) Find the solution that satisfies...
Prove or Disprove: Let p E P(F) and suppose that deg p > 1 and p is irreducible. Then p(a)メ0 for all a E F.
Let C be the figure-eight curve below with the indicated orientation. Let Di denote the left-hand region enclosed by C and D2 the right-hand region enclosed by C. Suppose F (P, Q) is a C vector field in R2. Expressds in terms of suitable double integrals over Di and D2 (a) //.[噐ㄧ箭]dA+M.2[噐-%)dA PLA 92L Let C be the figure-eight curve below with the indicated orientation. Let Di denote the left-hand region enclosed by C and D2 the right-hand region enclosed...
Assuming that point a is unit elastic on both D1 and D2, answer the following questions. You must explain your reasoning to receive credit. (Hint: You can “ex- plain” with an equation.) 1 Is point b more or less elastic than point a? 2 Is point c more or less elastic than point b? 3 Is point c more or less elastic than point d? 4 Is point e more or less elastic than poin d? Question Pl Assuming that...
Let be a map Define the map prove or disprove 2) for all 3) for all A B We were unable to transcribe this imagef(and) = f(c) n (D) CD CA f-1( EF) = f-1(E)f-1(F) We were unable to transcribe this image