1) If 3iis a zero of p(z)=az2+z3+bz−27, find the real numbers a and b. Enter them in the form a,b 2) Factorise p(z)=z3−2z2+z−2 into linear factors. Enter them in the format z+3+I, z-6+5*I. 3) Consider p(z)=iz2+z3−2iz−4z2+i+5z−2. Given that z=2−i is a zero of this polynomial, find all of its zeros. Enter them in the form 2+3*I, 4+5*I, 6-7*I
A polynomial P is given. P(x) = x3 + 64 (a) Find all zeros of P, real and complex. (Enter your answers as a comma-separated list. (b) Factor P completely A polynomial P is given. P(x) = x364 (a) Find all zeros of P, real and complex. (Enter your answers as a comma-separated list. Enter your answers as comma-separated list.) -4.2 +2i 3 .2-2i 3 X = (b) Factor P completely. P(x) (x-4)(x - 2+ 2i/ 3 ) (x -2-2/V3...
Question 13 (1 point) Given x + 4 a factor of f(x) = x3 - 12x +16, calculate the full factorization of f(x). OA) f(x) = (x + 22(x + 4) B) f(x) = (x-2)2(x + 4) OC) f(x) = (x + 4)(x + 2)(x - 2) OD) f(x) = (x - 22(x - 4) Question 14 (1 point) For the polynomial, one zero is given. Find all others. (Hint: You may need to use the quadratic formula.) P(x) =...
5. Consider the polynomial function plx)=4x +12x’ +9x+27. Given that x=-3 is a zero of p(x), find all other zeros of the polynomial.
2. Consider the polynomial p = x3 + x +4 € Z5 [2]. Let q = 3x +2 € Z5 [2]. (a) Is p reducible or irreducible? Prove your claim. (b) Are there any degree 2 polynomials in [g],? Explain. (c) List all degree 3 polynomials in [g]p. (d) (ungraded for thought) How many degree 4 polynomials are in (q),? Degree 5?
For the polynomial below, 3 is a zero. g(x) = x3 + 3x2 – 5x - 39 Express g (x) as a product of linear factors. 8(x) = 0 x 5 ? Find all other zeros of P(x) = x + x + 4x + 30, given that 1 – 3i is a zero. (If there is more than one zero, separate them with commas.) x 6 ? The figure below shows the graph of a rational function f. It...
3. Suppose that Z is standard normal. (a) In Chebyshev's inequality P(IZ 22) p, what is p*? (b) What is the actual value of P(IZ1 2 2)? 4. Suppose that X1, X2, .. . , X100 are iid with common (exponential) pdf f(x) = else. 0 (a) Give E S100 b) Give var S100 3. Suppose that Z is standard normal. (a) In Chebyshev's inequality P(IZ 22) p, what is p*? (b) What is the actual value of P(IZ1 2...
0 4 -1 1 5. Given, A--2 6 -11 L-2 8-3 1 has the characteristic polynomial p(λ)-(x + 2) (z-2)2(z-1) Find the corresponding eigenvector for each eigenvalue 0 4 -1 1 5. Given, A--2 6 -11 L-2 8-3 1 has the characteristic polynomial p(λ)-(x + 2) (z-2)2(z-1) Find the corresponding eigenvector for each eigenvalue
Q) Consider the following set of linear equations. ix-iz=i iy-iz=0 ix -iy z-1 a) Write the above system of equations in matrix form. (AX-B) b) Find x, y, z using Gauss elimination method c) Find the determinant of the coefficient matrix A.
Q3: 5 marks (A) Expand f(z) (2-1)(2-3) in a Laurent series valid for (i) Iz - 11 < 2, and (ii) Iz - 31 < 2. 1.5 marks each part (B) Use Laurent series to find the residue of f(2)= e (x - 2)-2 at its pole z = 2. 2 marks