Concept explainers
(a)
To list: the natural numbers from the given set.
(a)
Answer to Problem 5E
The only natural number is 50.
Explanation of Solution
Given information:
A set is given as
Calculation:
Natural numbers are all whole numbers and positive numbers excluding zero.
Consider the given set.
Here, the only natural number is 50.
(b)
To list: the integers from the given set.
(b)
Answer to Problem 5E
The integers are
Explanation of Solution
Given information:
A set is given as
Calculation:
Integers are all positive and negative whole numbers including zero.
Consider the given set.
Here, the integers are
(c)
To list: the rational numbers from the given set.
(c)
Answer to Problem 5E
The rational numbers are
Explanation of Solution
Given information:
A set is given as
Calculation:
Rational numbers are all positive and negative whole numbers, fraction, repeating and recurring decimal expression including zero.
Consider the given set.
Here, the rational numbersare
(d)
To list: the irrational numbers from the given set.
(d)
Answer to Problem 5E
The irrational numbers are
Explanation of Solution
Given information:
A set is given as
Calculation:
Irrational numbers are all real numbers except the rational number.
Rational numbers are all positive and negative whole numbers, fraction, repeating and recurring decimal expression including zero.
Consider the given set.
Here, the irrational numbers are
Chapter 1 Solutions
EBK PRECALCULUS: MATHEMATICS FOR CALCUL
- Ministry of Higher Education & Scientific Research Babylon University College of Engineering - Al musayab Automobile Department Subject :Engineering Analysis Time: 2 hour Date:27-11-2022 کورس اول تحليلات تعمیر ) 1st month exam / 1st semester (2022-2023)/11/27 Note: Answer all questions,all questions have same degree. Q1/: Find the following for three only. 1- 4s C-1 (+2-3)2 (219) 3.0 (6+1)) (+3+5) (82+28-3),2- ,3- 2-1 4- Q2/:Determine the Laplace transform of the function t sint. Q3/: Find the Laplace transform of 1, 0≤t<2, -2t+1, 2≤t<3, f(t) = 3t, t-1, 3≤t 5, t≥ 5 Q4: Find the Fourier series corresponding to the function 0 -5arrow_forwardMinistry of Higher Education & Scientific Research Babylon University College of Engineering - Al musayab Subject :Engineering Analysis Time: 80 min Date:11-12-2022 Automobile Department 2nd month exam / 1" semester (2022-2023) Note: Answer all questions,all questions have same degree. کورس اول شعر 3 Q1/: Use a Power series to solve the differential equation: y" - xy = 0 Q2/:Evaluate using Cauchy's residue theorem, sinnz²+cosz² dz, where C is z = 3 (z-1)(z-2) Q3/:Evaluate dz (z²+4)2 Where C is the circle /z-i/-2,using Cauchy's residue theorem. Examiner: Dr. Wisam N. Hassanarrow_forwardMinistry of Higher Education & Scientific Research Babylon University College of Engineering - Al musayab Subject :Engineering Analysis Time: 80 min Date:11-12-2022 Automobile Department 2nd month exam / 1" semester (2022-2023) Note: Answer all questions,all questions have same degree. کورس اول شعر 3 Q1/: Use a Power series to solve the differential equation: y" - xy = 0 Q2/:Evaluate using Cauchy's residue theorem, sinnz²+cosz² dz, where C is z = 3 (z-1)(z-2) Q3/:Evaluate dz (z²+4)2 Where C is the circle /z-i/-2,using Cauchy's residue theorem. Examiner: Dr. Wisam N. Hassanarrow_forwardWhich degenerate conic is formed when a double cone is sliced through the apex by a plane parallel to the slant edge of the cone?arrow_forward1/ Solve the following: 1 x + X + cos(3X) -75 -1 2 2 (5+1) e 5² + 5 + 1 3 L -1 1 5² (5²+1) 1 5(5-5)arrow_forwardI need expert handwritten solution.to this integralarrow_forwardExample: If ƒ (x + 2π) = ƒ (x), find the Fourier expansion f(x) = eax in the interval [−π,π]arrow_forwardExample: If ƒ (x + 2π) = ƒ (x), find the Fourier expansion f(x) = eax in the interval [−π,π]arrow_forwardPlease can you give detailed steps on how the solutions change from complex form to real form. Thanks.arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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