Please help! (z) = z, and f(z)-(z" + 1). 10. Let φ(z) = 1, (a) Find q and ca so that S2(z) qo,(z) + co2(z) gives the best approxilna. tíopn in the mean to f on I-1, 11 (from the orthognal sys...
sin πχ, ф'(x) = 1, and φ2(x)-x. Find c, and c2 so that SA) = cM(x) + сфг(x) gives the best ap- 1. *Let f(x) proximation in the mean to fon [-1, 1] sin πχ, ф'(x) = 1, and φ2(x)-x. Find c, and c2 so that SA) = cM(x) + сфг(x) gives the best ap- 1. *Let f(x) proximation in the mean to fon [-1, 1]
2 er Let I be an interval of R, and define the function f :I→ R by f(x) 1 +e2z or every z EZ. (a) Find the largest interval T where f is strictly increasing. (b) For this interval Z, determine the range f(T) (c) Let T- f(I). Show that the function f : I -» T is injective and surjective. (d) Determine the inverse function f-i : T → 1. (e) Verify that (fo f-1)()-y for every y E...
Part D,E,F,G 10. Let p(x) +1. Let E be the splitting field for p(x) over Q. a. Find the resolvent cubic R(z). b. Prove that R(x) is irreducible over Q. c. Prove that (E:Q) 12 or 24. d. Prove: Gal(E/Q) A4 or S4 e. If p(x) (2+ az+ b)(a2 + cr + d), verify the calculations on page 100 which show that a2 is a root of the cubic polynomial r(x)3-4. 1. f. Prove: r(x) -4z 1 is irreducible in...
Question4 please (1). Let f: Z → Z be given by f(x) = x2. Find F-1(D) where (a) D = {2,4,6,8, 10, 12, 14, 16}. (b) D={-9, -4,0, 16, 25}. (c) D is the set of prime numbers. (d) D = {2k|k Ew} (So D is the set of non-negative integer powers of 2). (2). Suppose that A and B are sets, C is a proper subset of A and F: A + B is a 1-1 function. Show that...
1. (20 points) Let C be any contour from z = -i to z = i, which has positive real part except at its end points. Then, consider the following branch of the power function zi+l; f(3) = 2l+i (1=> 0, < arg z < Now, evaluate the integral Sc f(z)dz as follows: (a) (5 points) First, explain why f(z) does not have an antiderivative on C, but why the integral can still be evaluated. (b) (5 points) Then, find...
(a)-(d)? Problem(11) (10 points) Let Z~Normal(0, 1). Recall the definition of -value, i.e., P(Z>)-r. (a) (1 point) Find the probability of P(-2a/2<Z < 2a/2) (b) (3 points) Let X1, X2, , Xa be a random sample from some known) mean p and (known) variance o2. Based on the Central Limit Theorm and part (a) above, show that the confidence intervals for the population mean u can be estimated by population with (un- P(x- <pAX+Za/2 =1-a. Za/2 (c) (2 points) The...
Let F-_y i + (z + 6y) j+2z k and 1. (a) Which of these two fields (if any) are conservative on R3? Give detailed reasoning. (b) Find potential functions for the fields that are conservative (c) Calculate the line integralsF dr and G dr where C is the arc of the curve formed by the intersection of the plane4 and the surface+ in the first octant, oriented anti-clockwise when view from above.
Q 4.68a) Find the values of the constants a, b, and c so that the directional derivative of Ф , 2. -1) has a maximum of magnitude 64 in a direction parallel to the z axis. ay + by2+cz, Find the acute angle berween the surfaces y'3x+ and 3x2-y + 2z I at the point (1, -2, 1). Find the constants a and b so that the surface ax -by-(a+2)x will be orthogonal to the surface y+ 4 at the...
Compute the first three non-zero terms of the Taylor series for the functions: Q.1 [10 Marks] Compute the first three non-zero terms of the Taylor series for the functions: (a) (i) f(x)-In( 1 ) about a-0 where Ir < 1 (Hint: In(it)-In(1+z)-In(1-r)) (ii) From your result in (i) find ËIn(쁩) dt Page: 1 of3 MAT1841 Assignment 2 2019 Continuous Mathematics for Computer Science 3 +3+4-10 (c) h(z) = exp (sin r) about a = 픔 Q.1 [10 Marks] Compute the...
Let F-_y i + (z + 6y) j+2z k and 1. (a) Which of these two fields (if any) are conservative on R3? Give detailed reasoning. (b) Find potential functions for the fields that are conservative (c) Calculate the line integralsF dr and G dr where C is the arc of the curve formed by the intersection of the plane4 and the surface+ in the first octant, oriented anti-clockwise when view from above. Let F-_y i + (z + 6y)...