5. Let f(x)- arctan(x) (a) (3 marks) Find the Taylor series about a 0 for f(x). Hint: - arctan(x)...
5. Let f(z) = arctan(z) (a) (3 marks) Find the Taylor series about r)Hint: darctan( You may assume that the Taylor series for f(x) converges to f(x) for values of r in the interval of convergence (b) (3 marks) What is the radius of convergence of the Taylor series for f(z)? Show that the Taylor series converges at z = 1 (c) (3 marks) Hence, write as a series. (d) (3 marks) Go to https://teaching.smp.uq.edu.au/scims Calculus/Series.html. Use the interactive animation...
(3 marks) In the 17th century, Machin obtained the formula π-arctan (1)-aret an (2,9) - arctain 239 Use the Taylor polynomial of degree 5 to approximate 4 arctan () - arcta235) (3 marks) Explain why the convergence to π is so rapid in part (e) whereas in part (d), the convergence is slow (3 marks) In the 17th century, Machin obtained the formula π-arctan (1)-aret an (2,9) - arctain 239 Use the Taylor polynomial of degree 5 to approximate 4...
2 1. The Taylor series for a function f about x =0 is given by k=1 Ikitt (a) Find f(")(). Show the work that leads to your answer. (b) Use the ratio test to find the radius of convergence of the Taylor series for f about x=0. c) Find the interval of convergence of the Taylor series of f. (a) Use the second-degree Taylor polynomial for f about x = 0 to approximate s(4)
2. The Taylor series of the function f(x) = - iſ about x = 0 is given by (x − 2)(x2 – 1) 3 15 15 2. 63 4 F=3+ = x + x2 + x + x4 + ... (x − 2)(x2 - 1) 8 16 6 (a) (6 marks) Use the above Taylor series for f(x) = . T and Calcu- (x − 2)(x2 – 1) lus to find the Taylor series about x = 0 for g(x)...
3) Later in this course, we will learn that the function, arctan x, is equivalent to a power series for x on the interval -1sxs: 2n+1 (-1)" arctan x = We can use this power series to approximate the constant π . a) First, evaluate arctan1). (You do not need the series to evaluate it.) b) Use your answer from part (a) and the power series above to find a series representation for (The answer will be just a series-not...
9. Let f(x) = sin(x). (12 marks) In the following we will consider its Taylor Polynomial and its Taylor Series. You can assume that the Taylor Series converges, no need to prove it. (a) (4 marks) What is the Taylor polynomial of degree 9 centred at 0 for f(x)? Justify your answer pg(x) = (b) (4 marks) Approximate the integral (sin(x3) dx Jo using your answer from (a). Justify your answer.
solve 2-3 1. Use a Taylor series to get the limit: In(x+3) 2. Use a Taylor series to get the derivative of f(x) = arctan x and check for the interval of convergence. Is the interval of convergence for f' the same as the interval for for different? Why? 3. Use a Taylor series to solve y' (t) - 3y = 10,y(0) = 2
Solve the Taylor Series. 1. (a) Use the root test to find the interval of convergence of-1)* に0 (b) Demonstrate that the above is the taylor series of f()- by writing a formula for f via taylor's theorem at α-0. That is write f(x)-P(z) + R(x) where P(r) is the nth order taylor polynomial centered at a point a and the remainder term R(x) = ((r - a)n+1 for some c between z and a where here a 0. Show...
Please show work 1.For the function f(x) = ln(x + 1) find the second Taylor polynomial P2(x) centered at c = 2. (9 points) 2. Use the Maclaurin series for arctan x to find a Maclaurin series for f(x). 3. Find the radius of convergence and the interval of convergence of the power series. We were unable to transcribe this imageWe were unable to transcribe this image
Find the Taylor series for f(x) = sin(2) centered at 3. To help express the coefficients in a convenient way, it may help to define the sequence {on}no = {1,-1,-1,1,1,-1,-1,...}. What is the radius of convergence? Use Taylor's inequality to determine whether or for what values of x) the Taylor series converges to sin(x).