Calculus and Above

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Suppose A,, and X are n × n matrices such that A,(A − AX),
Second opinion] Suppose A, B, and X are n × n matrices such that A,(A − AX), and X are invertible. Furthermore, suppose we know(A − AX) −1 = X −1B.(a) Demonstrate that B is invertible.(b) Using the eq… read more
Simona
Professor
PhD
Let a and be integers. Let x = alpha be an integer solution
Let a and b be integers. Let x = alpha be an integer solution to the equation x^2 + ax +b =0. A) prove that the constant term b is a multiple of alpha B) using part (a), what are the possible integer … read more
Sandhya_sharma
Master's Degree
Master's Degree
5,309 satisfied customers
I need help with these. 2. For all real numbers x, x2 > 0.
Hello! I need help with these. 2. For all real numbers x, x2 > 0. (a) Write the negation of the statement above. (b) Disprove the original statement by giving a counterexample. 3. Prove: There is a… read more
STEM_Tutor
Doctoral Degree
547 satisfied customers
Let there be a set a, such that a={1,2,3,..., n}. We have a
Let there be a set a, such that a={1,2,3,..., n}. We have a finite sequence of subsets of a, such that S=S_1, S_2,...S_k, where S_1 is empty, and the difference of the cardinalities of any two adjacen… read more
Dr Arthur Rubin
Doctoral Degree
Doctoral Degree
97 satisfied customers
Discrete math homework, need answer to homework, but also
Discrete math homework, need answer to homework, but also provide hints on how you came up with it if possible.… read more
Dr Arthur Rubin
Doctoral Degree
Doctoral Degree
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(10) Let A = {q, r, s, t} and B = {17, 18, 19, 20}. Determine
(10) Let A = {q, r, s, t} and B = {17, 18, 19, 20}. Determine which of the following are functions. Explain why or why not. f⊆A × B,where f={(q,17),(r,18),(s,19),(t,20)} g⊆A × B,where g={(q,17),(q,20)… read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
Algorithm Analysis •Consider searching algorithms on the following
Algorithm Analysis •Consider searching algorithms on the following array of data: [22 21 9 4 16 2 10 14 20 31 26 19 17 28 8 13] Suppose you want to implement a searching algorithm to see if the data s… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Question for StevewhHi Steve, great job you did for me
Question for Stevewh Hi Steve, great job you did for me on the last questions. I have a few more. I don't have to answer all of the questions below. 1. Write out the following sets explicitly, by list… read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
I need 10 questions answered: The book I am using is Discrete
I need 10 questions answered: The book I am using is Discrete and Combinational Mathematics by Ralph P. Grimaldi Pg. 718 3. a) How many rows are needed to construct the (function) table for a Boolean … read more
Stevewh
Teacher
Bachelor's Degree
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1. (1pt) How many ways can n men and n women be seated alternating
1. (1pt) How many ways can n men and n women be seated alternating gender around a round table remembering that two seating positions are equivalent if everyone is in the same position relative to eve… read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
I need these 7 questions answered please: 1. Let A be a
I need these 7 questions answered please: 1. Let A be a set with |A| = n, and let R be an equivalence relation on A with |R|=r  . Why is r − n always even? 2. How many 6  6 (0, 1)-matrices … read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
Algorithm Analysis • Consider searching algorithms on the
Algorithm Analysis • Consider searching algorithms on the following array of data: [22 21 9 4 16 2 10 14 20 31 26 19 17 28 8 13] Suppose you want to implement a searching algorithm to see if the data … read more
Math-John
30 satisfied customers
Real Analysis question: Let P be a polynomial with real
Real Analysis question: Let P be a polynomial with real coefficients of degree n such that P(x) >= 0 for all x in R. Prove that for all x: P(x) + P'(x) + P''(x) + ... + P^(n)(x) >= 0 note: P^(n)… read more
Dr Arthur Rubin
Doctoral Degree
Doctoral Degree
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Which of the following ordered pairs is a solution to the
Which of the following ordered pairs is a solution to the system of equations y = x − 6 and 2y = –x + 14? 2. Solve the system of equations y = 0.6x + 0.2 and 3x − 5y = 4. A. There is one solution, and… read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
1.Solve the system by the subsitution method x^2+y^2=20 x-y=-2 2.
1.Solve the system by the subsitution method x^2+y^2=20 x-y=-2 2. solve the following system by the substitution method x-y=1 x^2-xy-y^2=-1 the solution set is 3.Solve the system by the addition metho… read more
akch2002
Master's Degree
3,436 satisfied customers
proof by minimum counterexample:Let a,b, and p non negative
proof by minimum counterexample:Let a,b, and p non negative integers with p prime.If p/ab,then p/a or p/b.… read more
Chirag
Master's Degree
10,329 satisfied customers
A few True/False/Multiple Choice Questions that I want to run
A few True/False/Multiple Choice Questions that I want to run by an expert. http://www.box.com/s/3j2q919jyq12qn7ca4xb… read more
David
Post-Doctoral Degree
2,112 satisfied customers
1. Please show all of your work when answering the following: I. Use Chebyshev's theorem to find what percent of the values will fall between 166 and 346 for a data set with a mean of 256 and standard… read more
Osbert12
Master's Degree
2,468 satisfied customers
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