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If y = f(x), the inverse of f is given by Lagrange's identity: 1 dn-1 f-1(y)...
1. Given the series -1)" n! , 2n+1 (2n1) (i) Find the radius of convergence of the series. (ii) Find also the largest open interval on which the series converges. 2. (a) Find the Taylor series, in summation form, of f(x) = 1+1 (b) (i) (ii) Find the radius of convergence of the series. Find also the largest open interval on which the series converges. 3. (a) Find two series solutions of the differential equation +9=0, -oo < x <...
Find the inverse function of f informally. f(x) = 7x f-1(x) = Verify that f(F-1(x)) = x and f-1(f(x)) = x. AF-1(x)) = f( = X f-1(f(x)) = f-1 7x = X Use the table of values for y = (x) to complete a table for y = f'(x). (Order your answers from smallest to largest x-value.) х -1 0 1 2 3 4 13 f(x) الميا 5 7 9 11 (x)
(-1)-1 n2 is absolutely convergent. 1. (2 points) Prove that cos n is convergent or divergent. 2. (2 points) Determine whether the series - (Use cos n<1 for all n) 3. (3 points) Test the series -1) 3 for absolute convergence. (Use the Ratio Test) 2n +3) 4. (3 points) Determine whether the series converges or diverges. 3n +2 n-1 (Use the Root Test) 5. (3 points) Find R and I of the series (z-3) 1 Find a power series...
Consider f : [0, 1] x [0, 1] C R2 + R defined by f(x,y) = ſi if y is rational 2x if y is irrational Show that f is not integrable over R by the following steps: in (a) For each n > 1, find a Sn:= Eosi,jan f(a 6? b., in [0, 1] for 0 < i, j < n such that the Riemann sum converges as n + 0.[10 pts] n 1 n2 n i, ja (b)...
- 8) Find the interval of convergence for the following power series: no (n+1)(n+a) no (2n)!" 9) Using f(x) = 8 X = 1 hod a power senes representation for the no 1-X given Anchons (a) f(x) = 2 b) 60) = 1 C) KW) = Orctan (x). I 4- 3x3 +3x² 10) Find the taylor polynomial of degree for the fonction f(x) = V15+x. LÔ 0 - 1 = | b) If n o ano then Ean converges True...
2+1 4. For each of the functions f given below: A. f() B. f(x) = 422-1 C. f(x) = log2 (3 – x) (a) Find the inverse function - (b) Verify that S (7-'(x)) = f(f(x)) (c) Sketch a graph of y = f(x) and y=f(x) on the same set of coordinates.
5. Let f R2 ->R2 be the function given by f(x, y) (х + у, х — у). (i) Prove that f is linear as a function from R2 to R2. (ii) Calculatee the matrix of f. (iii) Prove that f is a one-to-one function whose range is R2. Deduce that f has an inverse function and calculate it. (iv) If C is the square in R2 given by C = [0,1] x [0, 1], find the set f(C), illustrating...
7. (a) Use the well known Maclaurin series expansion for the cosine function: f (x ) = cos x = 1 x? 2! + 4! х 6! + (-1)" (2n)! . * 8! 0 and a substitution to obtain the Maclaurin series expansion for g(x) = cos (x²). Express your formula using sigma notation. (b) Use the Term-by-Term Integration Theorem to obtain an infinite series which converges to: cos(x) dx . y = cos(x²) (c) Use the remainder theorem associated...
8-9r 7-8x (1 point) Find the inverse function to y = (x) = . x=f-1(y) = help (formulas)
1) Find two power series solutions of the differential equation (x² + 1)y" – xy' + y = 0 about the ordinary point x = 0. Hint: Check Examples 5 and 6 in 6.2 Example 6 Power Series Solution Solve (x + 1)," + xy - y = 0. Solution As we have already seen the given differential equation has singular points at = = ti, and so a power series solution centered at o will converge at least for...