6. From Descartes's rule of signs, conclude that the equation x2n – 1 = 0 has 2n – 2 imaginary roots. a %3D 7. Without actually obtaining these roots, show that (a) x+3x+7=0 and (b) x6 – 5x – 7x² + 8x + 20 = 0 - both possess imaginar root

Q: Prove that R is an equivalence relation on the set of positive integers

A: A relation R on a set A is said to be an equivalence relation if and only if the relation R is refle...

Q: Show clearly all working with detailed explanations

A:

Q: 2/15 2/7 =? O a. 4/7 O b. 7/15 C. 1/15 Od. 1/2

A: 215÷27 =215×72       ( apply the fraction rule ab÷cd=ab×dc ) =715          (cross-cancel 2) Hence, 2...

Q: Question 8 Read and solve the problem; choose the best answer(s) from the choices provided. What is ...

A:

Q: Define the following infinite collection of subsets of the positive integers: A1 = {x|x E Z* and 0 <...

A: A relation R is said to be an equivalence relation, if it is  Reflexive : For every a∈R→(a,a)∈R Sym...

Q: Five mice in a stable population of 500 are intentionally infected at r= 0 with a contagious disease...

A:

Q: I need answers

A:

Q: 5) In figure below, object (A) is 12000 units above the x axis and moving to the left with a constan...

A: Solution:

Q: Consider the scalar field (image provide).  Use gradφ (image provide) to find a unit vector in the d...

A:

Q: .is the best measure of dispersion. Select one: Range a. b. Variance O. Standard Deviation C.

A: It is the measure of the variation of the items. Variation of items is measured by central tendencie...

Q: Evaluate a 3d divergence of 1/r^2 in the radial direction

A: To find : 3d divergence of 1r2 in the radial direction Formula: v⇀=fr=r^r2 Now,  ∇.v⇀=1r2∂∂rr2.1r2=1...

Q: Read and solve the problem; choose the best answer(s) from the choices provided. A study has been do...

A:

Q: Please help

A: The relationship between the output and input data says that output should be one more than twice th...

Q: Use the simplex method to maximize the given function. Assume all variables are nonnegative. Maximiz...

A:

Q: I need answer

A: We use the Maclaurin's series to find the answer of the given question.

Q: 1.7. Problem 7. Part 1. Suppose A1,..., A, are sets and each fi : A → Ai+1 is surjective. Prove or d...

A: A function is said to be surjective if each element of codomain has image in domain that is codomain...

Q: Suppose f: N→A is surjective. Prove or disprove: A has the same cardinality as N.

A: Consider the example : Define : A = {1, 2} f : N ------&gt; A is defined by, f(n) = 1 if, n is even,...

Q: 5. f(x)=-2x +x+6 Rel. Max: Rel. Min: Abs. Max: Abs. Min: Inc: Dec: Domain: Range:

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Let Ω denote the area under the curve f(x) = 4/(x^2 + 1)^3 from x = 0 to x = 1. a) Find the area of ...

A:

Q: 3. Find the complement and net price. (Lesson 2) Item List Price Trade-Discount Complement Rate Net ...

A: Answer 

Q: Help me fast

A: Consider the provided question, Given matrix, 1-1-202-15423-22-1642 We need to reduce in row echelon...

Q: The following information is available from the accounting records of Eva Corporation. Fixed costs p...

A: Kindly go through the solution and let me know in case of any doubt or further clarification in the ...

Q: The question is the step 2 portion.. included 2nd image to fill in gaps

A:

Q: Find all integer solutions to the linear Diophantine equation, 0.05x + 0.14y +0.35= 10.29. Write you...

A:

Q: Abstract algebra problem

A:

Q: Use Euler's method with step size 0.25 to compute the approximate y-values y1, y2,y3, and y4 of the ...

A:

Q: 620.3 ÷ 10

A:  by using division algorithm, we solve this problem.

Q: Expand the following function for on the given interval in a cosine series to find a0 and an. Reduce...

A: For a half range series having interval [0,2] that is c=2, the expansion of Fourier series will be i...

Q: Hello, I am stuck on the following problem involving Green's theorem! you need to use Green's theore...

A:

Q: * Find the Matrix B from order 2 x 4 , Its elements are written in the form by = i + ()

A: Here we find matrix B of order 2×4

Q: 1. Ruby Flyer is a UD student who makes cupcakes in her spare time. She is famous for making 2 types...

A: Given Ruby Flyer makes two type of cupcakes Nilla Sprinkles(Vanilla and Midnight magic(Chocolate). S...

Q: The data on energy consumption in the agricultural sector is displayed: Types of Energy (direct and ...

A: It is given that The data on energy consumption in the agriculture sector in displayed Types of ener...

Q: A simplex matrix for a standard maximization problem is given. 8 17 1 0 00 128 6 51 0 1 00 420 18 17...

A:

Q: For each of the following, use the indicated method to find the volume of the solid of revolution fo...

A: Identify the limits of integration from the region. Here, the region lies between the curve y=3x-x2 ...

Q: Show clearly all working with detailed explanations

A: In the given question we have to find the image of the element (λ-1,  λ+1, λ-1). so I will proceed t...

Q: We discu ed tue first order autonomous Pquation. what is te general form for thio type of DE? Consid...

A:

Q: Evaluate -2j - 7+ 3k when j= 0.5 and k = 0.25 O -4.75 O -7.25 O -5.25 6.75

A: given equation is -2j-7+3kj=0.5k=0.25

Q: Informal Exercise 41. Make a multiplication table for Zg. Use it to find Zž. List all the inverses o...

A: According to the given information, it is required to make the multiplication table for Z9.

Q: Please help I don’t know how to do this

A:

Q: y" – 3y' +2y =2+ 3sin(4x)

A:

Q: Student Bookmarks 1 2 3 4 5 6 7 8 9. 9 10 11 12 13 14 15 16 1 The unit for length is the meter (m). ...

A: In the metric system the basic unit of length is meter(m). The basic metric unit of mass is gram(g) ...

Q: Show clearly all working with detailed explanations

A: Given equation, x3+2x2=x+1 To show that the equation has a root in the interval 0&lt;x&lt;1.  

Q: How many solutions (ordered 4-tuples (x1, x2, 13, T4)) are there to the equation X1 + x2 + x3 + x4 =...

A: Respected student, By the Bartleby policy we are solving your first part of this problem because the...

Q: Consider the function g (x) = (x + 9) / ((x-1) (x-7)) Describe the domain. Describe the scope. Descr...

A: See the attachment

Q: Find g'(x) and show that g has an inverse

A: Let f be a continuous function with fx&gt;0 ∀x∈ℝ. A function g is defined by  gx=∫0x2+1xexftdt      ...

Q: i need solution

A: Given that  (x+1)^2-14(x+1)+48=0 To find the type of equation

Q: 8. Absolute Increasing Minimum Absolute Decreasing Maximum Relative Constant Minimum(s) Relative Max...

A:

Q: 3. a. Given a potential function f = Ax°y*z³ - Bx°y°z² -Cy°z, where the coefficients 4,B.C, are the ...

A: For any conservative vector field there is a scalar potential function.

Q: Show clearly all working with detailed explanations

A: