. Problem 8, (10 pts.) Prove that on the interval [0,0.8) -2n lim dx Problem 9, (10 pts.) na(1-z)...
Problem 8: (i) Use the Principle of Mathematical Induction to prove that 2n+1(-1)" + 1 1 – 2 + 22 – 23 + ... + (-1)22" = for all positive integers n. (ii) Use the Principle of Mathematical Induction to prove that np > n2 + 3 for all n > 2.
lim 00 lim 3a. (10 pts) Let Sn: 10,1] - R be defined by fn (x) = nºx (1 - )". Is is true that ( sn (2) de - 1 In (x) dx. 3b. (10 pts) Let fn (x) = 1+2+3* € (0,1). Find I In (2) de Justify your answer. lim
Question 1 1. [5 pts] Give a complete definition of lim f(x) = -oo if... 2. [25 pts] Give an example of each of the following, or state one or more theorems which show that such an example is impossible: a. A countable collection of nonempty closed proper subsets of R whose union is open. b. A nonempty bounded subset of R with no cluster points. c. A convergent sequence with two convergent subsequences with distinct limits. d. A function...
2c. (10 pts) Show that f given in 2b) is intergrable and [ 1 (2) dr = 2Ě (2n-1) 2d. (10 pts) Let 0 < < be given. Show that f given in 2b) is differentiable at each 1 € (5,27 - 8). Find f' (1). Hint: Use Problem 1 and the following formula In 2 (-1)"-1 Σ 7 n=1 2. (40 pts) Let fn: R → R be given by fn (x) = sin (nx) 3 ηε Ν. n2...
Let f(x)={user user = { x 8. Prove the following 10 a. Prove lim f(x) = 0 b. Prove lim f(x)=1 c. Prove lim f(x) does not exist. 1-2
Problem 9: Prove that 1/2n) s [1 x 3x5x. .. x (2n is a positive integer 1)/2 x4x. ..x 2n) whenever n
Discrete Math 11. (8 pts) Use mathematical induction to prove that Fan+1 = F. + F for all integers n 20, where Fn is the Fibonacci sequence defined recursively by Fo = 1, F = 1, and F F 1+F2 for n 22. Write in complete sentences since this is a proof exercise.
2. (40 pts) Let fn: RR be given by sin(n) In(x) = n2 NEN. 2a. (10 pts) Show that the series 2n=1 fn converges uniformly on R. 2b. (10 pts) Show that the function f: RR, f (x) = sin (nx) n2 n=1 is continuous on R. 2c. (10 pts) Show that f given in 2b) is intergrable and $(z)de = 24 (2n-1) 2d. (10 pts) Let 0 <ö< be given. Show that f given in 2b) is differentiable at...
Consider the function f(x)=x22−9. (1 point) Consider the function f(x) = 9. 2 In this problem you will calculate " ( - ) dx by using the definition Lira f(x) dx = lim f(x;)Ar i=1 The summation inside the brackets is R, which is the Riemann sum where the sample points are chosen to be the right-hand endpoints of each sub- interval. r2 Calculate R, for f(x) = -9 on the interval [0, 3] and write your answer as a...
DISCRETE MATHEMATICS Problem 3 (10 points) Use mathematical induction to prove the following statement for all n 21. For full credit, mention the base case (1pt), the induction hypothesis (1 pt) and the induction step (8 pts). 12 22 32