Homework Answers
![There fose ax cbxc) = , cca.c)b - (9.b)c] The above equation is an identity and holds for three vectors ab and c. So taking t](http://img.homeworklib.com/questions/21b558e0-bcd4-11ea-b0d8-85ce5e85665a.png?x-oss-process=image/resize,w_560)
3. Let t be the co-ordinate on A (C) and let z, y be the co-ordinates on A2(C). Let f 4z? + 6xy +...
3. Let t be the co-ordinate on A (C) and let z, y be the co-ordinates on A2(C). Let f 4z? + 6xy + x-2y® E C[x, y] and let C be the curve C-V((f)) C A2(C) (You may assume without proof that f is an irreducible polynomial, therefore C is irreducible and I(C)- (f).) (a) Show that yo(t) = (2t3, 2t2 + t) defines a morphism p : A1 (C) → C. [3 marks] (b) Show that (z. У)...
x-x-2 if x # +2 1. (10 marks) Let f(x) = (x2-4) if x= 2 Find...
x-x-2 if x # +2 1. (10 marks) Let f(x) = (x2-4) if x= 2 Find c that would make f continuous at 1. For such c, prove that f is continuous at 1 using an e-8 proof. -- с x-x-2 if x # +2 1. (10 marks) Let f(x) = (x2-4) if x= 2 Find c that would make f continuous at 1. For such c, prove that f is continuous at 1 using an e-8 proof. -- с
(x2-3x+2 1. (10 marks) Let f(x) if x # +1 (x2-1) с if x = 1...
(x2-3x+2 1. (10 marks) Let f(x) if x # +1 (x2-1) с if x = 1 Find c that would make f continuous at 1. For such c, prove that f is continuous at 1 using an ε - 8 proof.
Let fx=x2-x-2(x2-4) if x≠±2c if x=2 Find c that would make f continuous at 1. For...
Let
fx=x2-x-2(x2-4)
if
x≠±2c
if x=2
Find c that would make f
continuous at 1. For such c, prove that f is continuous at
1 using an ε-δ proof.
x2-x-2 с 1. (10 marks) Let f(x) = (x2-4) if x # +2 if x = 2 Find c that would make f continuous at 1. For such c, prove that f is continuous at I using an E-8 proof.
10. Let a and b be natural numbers that are co-prime. Prove that (b-a) and b...
10. Let a and b be natural numbers that are co-prime. Prove that (b-a) and b must also be co-prime. han C: oadl Prove that if p, q, and r are three different prime numbers, then p2 + q2 #r2 11.
Co 2. (10 points) Let (a, b, c) be a primitive Pythagorean triple. Prove that cis...
Co 2. (10 points) Let (a, b, c) be a primitive Pythagorean triple. Prove that cis of the form 4k1. a thec ( Rlats ie 2 2
12. Let f be integrable on a closed interval [a, b]. Suppose that there is a real number C such that f(x) 2C for all E a, b (1) Prove that if C>0, then 7 is also integrable on la,b] (6 Marks)...
12. Let f be integrable on a closed interval [a, b]. Suppose that there is a real number C such that f(x) 2C for all E a, b (1) Prove that if C>0, then 7 is also integrable on la,b] (6 Marks) (2) If C 0, i, still integrable (assuming f(x)关0 for any x E [aM)? If yes, supply a short proof. If no, give a counterexample. (6 Marks)
12. Let f be integrable on a closed interval [a, b]....
14 1. (10 marks) Let C be the curve 27x - y = 0 between y=0...
14 1. (10 marks) Let C be the curve 27x - y = 0 between y=0 and y=4. Sketch the graph of this curve. In each part, set up, but do not ovaluate, an integral or a sum of integrals that solves the problem. (a) Find the area of the surface generated by revolving C about the x-axis by integrating with respect to x (6) Find the area of the surface generated by revolving C about the y-axis by integrating...
12. Let f be integrable on a closed interval [a, b]. Suppose that there is a real number C such that f(x) 2C for all E a, b (1) Prove that if С > 0, then, is also integrable on [a,b, (6 Marks)...
12. Let f be integrable on a closed interval [a, b]. Suppose that there is a real number C such that f(x) 2C for all E a, b (1) Prove that if С > 0, then, is also integrable on [a,b, (6 Marks) (2) If C 0, i, still integrable (assuming f(x) 0 for any x E [aA)? If yes, supply a short proof. If no, give a counterexample. (6 Marks)
12. Let f be integrable on a closed interval...
Question 2. Let B- (1,-1,1).(-1,1,1) and C(1,-1,0), (0,0, 1)) be subsets of R3 (a) Show that both the sets B and C are hnearly independent sets of vectors with spanB - 12 marks 2 marks spanC (b) Assu...
Question 2. Let B- (1,-1,1).(-1,1,1) and C(1,-1,0), (0,0, 1)) be subsets of R3 (a) Show that both the sets B and C are hnearly independent sets of vectors with spanB - 12 marks 2 marks spanC (b) Assuming the usual left to right ordering, find the transition matrix PB-C (c) Given a basıs D of R2, find the transition matrux Ps-D given 2 1 Pc.D 3 2 3 marks (d) Use the transition matrix Pc-.D in (c) to find D...
3. Let t be the co-ordinate on A (C) and let z, y be the co-ordinates on A2(C). Let f 4z? + 6xy + x-2y® E C[x, y] and let C be the curve C-V((f)) C A2(C) (You may assume without proof that f is an irreducible polynomial, therefore C is irreducible and I(C)- (f).) (a) Show that yo(t) = (2t3, 2t2 + t) defines a morphism p : A1 (C) → C. [3 marks] (b) Show that (z. У)...
x-x-2 if x # +2 1. (10 marks) Let f(x) = (x2-4) if x= 2 Find c that would make f continuous at 1. For such c, prove that f is continuous at 1 using an e-8 proof. -- с x-x-2 if x # +2 1. (10 marks) Let f(x) = (x2-4) if x= 2 Find c that would make f continuous at 1. For such c, prove that f is continuous at 1 using an e-8 proof. -- с
(x2-3x+2 1. (10 marks) Let f(x) if x # +1 (x2-1) с if x = 1 Find c that would make f continuous at 1. For such c, prove that f is continuous at 1 using an ε - 8 proof.
Let
fx=x2-x-2(x2-4)
if
x≠±2c
if x=2
Find c that would make f
continuous at 1. For such c, prove that f is continuous at
1 using an ε-δ proof.
x2-x-2 с 1. (10 marks) Let f(x) = (x2-4) if x # +2 if x = 2 Find c that would make f continuous at 1. For such c, prove that f is continuous at I using an E-8 proof.
10. Let a and b be natural numbers that are co-prime. Prove that (b-a) and b must also be co-prime. han C: oadl Prove that if p, q, and r are three different prime numbers, then p2 + q2 #r2 11.
Co 2. (10 points) Let (a, b, c) be a primitive Pythagorean triple. Prove that cis of the form 4k1. a thec ( Rlats ie 2 2
12. Let f be integrable on a closed interval [a, b]. Suppose that there is a real number C such that f(x) 2C for all E a, b (1) Prove that if C>0, then 7 is also integrable on la,b] (6 Marks) (2) If C 0, i, still integrable (assuming f(x)关0 for any x E [aM)? If yes, supply a short proof. If no, give a counterexample. (6 Marks)
12. Let f be integrable on a closed interval [a, b]....
14 1. (10 marks) Let C be the curve 27x - y = 0 between y=0 and y=4. Sketch the graph of this curve. In each part, set up, but do not ovaluate, an integral or a sum of integrals that solves the problem. (a) Find the area of the surface generated by revolving C about the x-axis by integrating with respect to x (6) Find the area of the surface generated by revolving C about the y-axis by integrating...
12. Let f be integrable on a closed interval [a, b]. Suppose that there is a real number C such that f(x) 2C for all E a, b (1) Prove that if С > 0, then, is also integrable on [a,b, (6 Marks) (2) If C 0, i, still integrable (assuming f(x) 0 for any x E [aA)? If yes, supply a short proof. If no, give a counterexample. (6 Marks)
12. Let f be integrable on a closed interval...
Question 2. Let B- (1,-1,1).(-1,1,1) and C(1,-1,0), (0,0, 1)) be subsets of R3 (a) Show that both the sets B and C are hnearly independent sets of vectors with spanB - 12 marks 2 marks spanC (b) Assuming the usual left to right ordering, find the transition matrix PB-C (c) Given a basıs D of R2, find the transition matrux Ps-D given 2 1 Pc.D 3 2 3 marks (d) Use the transition matrix Pc-.D in (c) to find D...
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