Find the dimension of the splitting field of each of polynomials x+1 and x² - 2.
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- If is a finite field with elements, and is a polynomial of positive degree over , find a formula for the number of elements in the ring .True or False Label each of the following statements as either true or false. Every polynomial equation of degree over a field can be solved over an extension field of .8. Prove that the characteristic of a field is either 0 or a prime.
- Label each of the following statements as either true or false. Every f(x) in F(x), where F is a field, can be factored.Consider the set ={[0],[2],[4],[6],[8]}10, with addition and multiplication as defined in 10. a. Is R an integral domain? If not, give a reason. b. Is R a field? If not, give a reason. [Type here][Type here]Let ab in a field F. Show that x+a and x+b are relatively prime in F[x].
- Consider the set S={[0],[2],[4],[6],[8],[10],[12],[14],[16]}18, with addition and multiplication as defined in 18. a. Is S an integral domain? If not, give a reason. b. Is S a field? If not, give a reason. [Type here][Type here]Suppose that f(x),g(x), and h(x) are polynomials over the field F, each of which has positive degree, and that f(x)=g(x)h(x). Prove that the zeros of f(x) in F consist of the zeros of g(x) in F together with the zeros of h(x) in F.