1. A unit fraction is a fraction of the form where n is a positive integer. Note that the unit fraction can be written as the sum of two unit fractions in the following three n ways: 1 1 1 1 1 + = + 132 22 22 132 12 Are there any other ways of decomposinginto the sum of two unit fractions? In how many ways can we write as the sum of two unit fractions? More generally, in how many ways can the unit fraction be written as the sum of two unit fractions? In other words, how many ordered pairs (a, b) of positive integers a, b are there for which n 1 1 11 1-1/2+ = n 1 1 + = ? a b

1. A unit fraction is a fraction of the form where n is a positive integer. Note that the unit fraction can be written as the sum of two unit fractions in the following three n ways: 1 1 1 1 1 + = + 132 22 22 132 12 Are there any other ways of decomposinginto the sum of two unit fractions? In how many ways can we write as the sum of two unit fractions? More generally, in how many ways can the unit fraction be written as the sum of two unit fractions? In other words, how many ordered pairs (a, b) of positive integers a, b are there for which n 1 1 11 1-1/2+ = n 1 1 + = ? a b

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer.Very very grateful!Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer. and and Very very grateful!
Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer.Very very grateful!Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer. and and Very very grateful! And please do not copy other's work!!Thanks!
Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer.Very very grateful!Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer. and Very very grateful!
Katy is interested to understand the of herd immunity concept for Singapore's COVID-19 cases. She noted that 95% of adult population in Singapore is fully vaccinated by the end of October 2021. She want to compare difference of COVID-19 death cases in Singapore before Singapore achieve herd immunity and after Singapore achieve herd immunity. She collects the data of death cases in Singapore two weeks in the early of October 2021 (to represent before herd immunity) and two weeks in the end of No (Ctrl) -21 (to represent after herd immunity). Assume the variable is approximately normally distributed. The data are presented as below. Before herd immunity After herd immunity 121 109 118 76 117 105 132 53 40 68 55 45 41 24 78 74 64 93 103 68 88 63 47 37 48 45 40 29 a) Find 98% confidence interval of the difference in means.
Please, help solve this question with a friendly solution. Please, I need the R Codes as well. Take you very much!
place open closed pending total bronx 1121 1622 80 2823 brooklyn 1170 2706 48 3924 manhattan 744 3380 25 4149 queens 1353 2043 25 3421 staten island 83 118 0 201 total 4471 9869 178 14518
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Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer.Very very grateful!Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrowideas from gpt, but please do not believe its answer.Very very grateful!
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Part b is not completely right please check that and also part c is completely wrong. Please provide the correct solutions.