Let f(x) = Q[x] be an irreducible polynomial and assume that f(x) splits in R. Let y E R be a root of f(x). Prove that √2+y is a primitive element of Q(7, 1/2)/Q.

Q: Let f(x) be a polynomial function whose coefficients areintegers. Suppose that r is a real zero of f…

A: Consider an example:  2x3=x+6x+12x-42x3=x3+14x2-2882x3-x3-14x2+288=0⇒x3-14x2+288=0

Q: Let F = Q, s(x) = x² + 1, and E = Q[r]/(x² + 1)Q[x]. i) Factor the polynomial r? +1€ Q[r] into…

A:

Q: Consider the function f(x) = x + 2/1. Construct the Lagrange interpolation polynomial which…

A: The given function is f(x)=x+2x. The node points are x0=12, x1=1, x2=2. Calculate the value of the…

Q: Show that the function f(x) = 2x³ – 1, from f: R → R is bijective and find its inverse.

A: The function f(x)=2x3-1, from f:ℝ→ℝ

Q: Let w and a denote the primitive third and sixth roots of unity, respectively. Prove that Q(a) =…

A:

Q: Q[V5]is Principal Ideal Domain. True False O O

A: If Q5 is a field, then it will be principle ideal domain. It suffices to show that every element of…

Q: In P₂, let (p(x), g(x)) = p(−1)q(−1) + p(0)q(0) +p(1)q(1). Let U = span{r², x + 1}. Find the…

A: Given information: U=spanx2,x+1  Inner product defined as px,qx=p-1q-1+p0q0+p1q1. To find:  The…

Q: Find a monic polynomial of least degree in R[x] that has 1-i and 2i as roots. write the powers of x…

A:

Q: Let a E K and let f(x) E K[x]. Prove that the remainder when f(x) is divided by x – a is ƒ(a).…

A:

Q: Given a function f (x). Suppose that, the Newton's interpolating polynomial P2(x) of f (x) at the…

A:

Q: Let f and g be the functions defined by f : R → R+ ∪ {0} with f (x) = x2 and g : R+ ∪ {0} → R with…

A: (fog)(x) is the value of the function f(x) at g(x) (fog)(x)= f(g(x))

Q: Let a be a complex zero of x2 + x + 1 over Q. Prove thatQ(√ a)= Q(a).

A: Given equation is  x2+x+1 Let a be the complex roots over ℚ.

Q: Obtain the Lagrange interpolating polynomial for a certain function f of which we know that: f (-1)…

A: Lagrange interpolating polynomial: The Lagrange interpolating polynomial is a degree polynomial that…

Q: let f(z) be polynomial of degree at least two. show that |f(z)|>|z| for large |Z|.

A: We prove this result by contradiction.

Q: Suppose f(z) is an analytic function with domain C (the set of all complex numbers). Suppose further…

A: Suppose further that in the region {|z| > 100} f satisfies f(Z)<a+ b |z|^n where a ,b are…

Q: .3 Let f(x) = Use the Bisection method three times to find three successively smaller intervals…

A: Given: f(x)=-x3+2x-2 Here, f(-4)=54 and f(0)=-2 So, The given function is continuous, and the root…

Q: Let p: R → R be a polynomial of odd degrees. Prove that the equation p(x) = 0 has a solution in real…

A: Given p:R→R be a polynomial of odd degree. We have to prove that the equation px=0 has a solution in…

Q: Let f(x)= x3 + x2 + x +1  ∈ Z2[x]. Write f(x) as a product of irreduciblepolynomials over Z2.

A: Given polynomial is: f(x)=x3+x2+x+1 Since, f(1)=0 So, x-1 is a factor. Now, factorize the…

Q: Determine whether the following set of polynomials is linearly independent (1 – t)?, t – 2t2 + t³,…

A:

Q: 3. Let P(x) be a polynomial of degree n. If n is even, prove P(x) cannot have an inverse function.

A:

Q: Consider the quadratic function f: R3 →R defined by f(X) = xỉ – x1x2 + x – x2x3 + x3 + 1 A: Express…

A:

Q: 1. Show that the function p() = x + 4x3 – 9 has two real roots, that is, there exist r1, r2 ER such…

A:

Q: an

A:

Q: 3. Recall that a quadratic polynomial has at most two roots. Show, using Rolle's theorem, that a…

A:

Q: Consider the polynomial p(x) = x³ + x + 1 over Z₂. Denote by a = x+. Then a³ + a + 1 is a root for…

A: Using the property of ideal and ring

Q: Consider the function f(x) = x = [0,2]. Construct the , Lagrange interpolation polynomial which…

A:

Q: Show that f(x)= x14 – 6x + 75 is irreducible over Q.

A: Eisenstein's Irreducibility Criterion: Let us consider polynomial…

Q: Suppose f(2)= 0 anz" is entire. in=0 If |ƒ(z)| ≤ 3|z|ln(|z| + 1) for all z, prove that f is a…

A: Given: fz=∑n=0∞anzn is entire. fz≤3zlnz+1 for all z. To prove: f is a polynomial.

Q: In linear space, consider all true polynomial functions with internal multiplication x(t)y(t)dt for…

A: We will use GRAM-SCHMIDT ORTHOGONALIZATION PROCESS to solve this problem For a basis y0,y1,y2 to…